{"title":"Integrated and Thick-Film Amplifier Kits \u0026 Finished Boards","description":"","products":[{"product_id":"brzhifi-thick-film-stk495-020-warm-sound-power-amplifier-board-pure-rear-stage-high-power-130w-130w","title":"Thick-film STK495-020 warm-sounding amplifier board – pure power amplifier stage, high power 130W+130W","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01hsBVj61OQC1Ry0fxL_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01YV3LfA1OQC1SIvKeD_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01mlAd4V1OQC1QdCvc9_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01I6WJx81OQC1LxcyIC_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01TGa0xH1OQC0sDQqsX_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01zApVcC1OQC0rf3Nj3_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK495-020 finished board","offer_id":66600664564016,"sku":"6143518051994","price":45.66,"currency_code":"USD","in_stock":true},{"title":"200W Ring Bull Double 26V + Double 15V + Single 14V","offer_id":66600664596784,"sku":"5977037472499","price":56.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01hsBVj61OQC1Ry0fxL__88221699_4a2fa812-20d1-4945-ba87-48a613921039.webp?v=1777040647"},{"product_id":"stk410-030-pac011a-thick-film-module-hifi-fever-power-amplifier-finished-board-can-set-2-1-channels","title":"STK410-030\/PAC011A Thick film module hifi fever power amplifier finished board, can set 2.1 channels","description":"\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #333333;font-size: 14.0px;text-indent: 24.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 26.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003eSANYO STK410-030 custom pioneer standard PAC011A thick film power amplifier module 100WX3@6 Europe, the new original fake one penalty ten. Pioneer company looking for SANYO custom thick film power amplifier circuit, all Pioneer company's customized products must be carefully selected and repeatedly compared to determine the circuit structure and sound characteristics. PAC011A is equivalent to SANYO STK410-030, the output power 100WX3@6 Europe, distortion THD0.4%. This series of products sound details, resolution, voice, low frequency strength are better than other series. Module disassembly diagram can see a huge protection chip, and the key parts of the chip are coated with transparent glue protection. Only high-end products in the later stage will do this. It is rare. If you buy it, you will earn it.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #333333;font-size: 14.0px;text-indent: 24.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 26.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #800080;\"\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency strength is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to manufacture power amplifiers, such as K + H, Sony Sony, Panasonic PANSONIC, Kenwood KENWOOD, JEVIS JVC, Shanshui SANSUI, Sharp SHARP,\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffff00;\"\u003ePioneer PIONEER\u003c\/span\u003eAlmost all Japanese audio manufacturers such as Aihua AIWA use it, and it has been used for more than 20 years. It has influenced a whole generation, and it is also a voice with a strong brand of the times that we heard when a whole generation was young. It is unforgettable every time it sounds. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship. Coupled with ON's unique design, the later products were even more outstanding, and are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e\u003cspan\u003e \u003c\/span\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr style=\"box-sizing: inherit;\"\u003e\n \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #e6f6e6;float: none;display: inline;\"\u003eSTK410-030\/PAC011A thick film is actually very durable, with good sound details, analytical power, human voice, and low frequency strength.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;margin: 1.12em 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 14.4444px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #000000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-style: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-weight: 400;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;letter-spacing: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;orphans: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;text-transform: none;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;white-space: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;widows: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;word-spacing: 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;line-height: 23.3333px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eBasic parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003ePower supply voltage: AC dual 31V-42V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eOutput power: RMS100W * 3 channels\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e6Ω measured continuous maximum output power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eFrequency, sound: 10Hz-40kHz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eInput Sensitivity: 730mV\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eInput Impedance: 56K\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eMagnification: 31 times\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eLost, True: 0.4%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eSize: 152 x 96 x 62MM L x W x H\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eWeight, quantity\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e: about 270g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eAccessories: copper pillar and nut * 4, long screw * 2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eThe default is the finished board, which has been tested before shipment, and the non-human damage is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-size: 14.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01dxFafL1OQBwBSBtHq_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01pJmfLC1OQBwAs4wQD_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN010rBSzS1OQBvPdfuJy_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000cd;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eThe materials used are also very particular, and the power supply adopts a high-current rectifier bridge, ruby\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cspan style=\"color: #0000cd;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eFilter capacitor, the tone is neutral, and the human voice is more moist and delicate. Each channel is equipped with a large red ring output inductance and has a complete protection circuit.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01JdiqFU1OQBw8KaYoU_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01Z4auUY1OQBw9oxo6M_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01NAV5Xi1OQBwC08HZW_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"power amplifier board","offer_id":66600685306160,"sku":"5857573563463","price":30.12,"currency_code":"USD","in_stock":true},{"title":"PCB","offer_id":66600685338928,"sku":"5857573563462","price":15.32,"currency_code":"USD","in_stock":true},{"title":"Transformer","offer_id":66600685371696,"sku":"5688306048049","price":36.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01YPQIDZ1OQBwAjdyY4__88221699.webp?v=1777032378"},{"product_id":"retro-style-classic-japanese-new-thick-film-stk4144mk2-beautiful-sound-hifi-power-amplifier-board-far-exceeds-lm1875","title":"Vintage-style classic Japanese brand new thick-film STK4144MK2 – sweet-sounding Hi-Fi amplifier board, far surpassing the LM1875","description":"\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eThe new stock SANYO STK4144MK2 chip, this model is an improved version of the STK41X1 classic series, which is a relatively early product. The design at that time was relatively conservative, the materials used were real and strictly tuned. The design output power was 25W + 25W @8 ohms, and the distortion was THD0.4%. It is not the extreme parameters that necessarily represent a good sound, just like many people still like the sound of courage. The parameter performance is not necessarily high, but the sound is mellow and delicate like old wine, the more delicious it is, so this time I chose a more classic retro design, regardless of the sound and appearance, it is the original.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eThe output power of the STK41X4 series is not too large, and the overall sound quality is between LM1875 and HOOD1969. The sound is mellow and delicate like an old wine. The more you taste, the more delicious it is. It is more suitable for users who like the classic retro sound quality style, especially in the human voice and other aspects. It can bring people a warm and rich listening experience.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN015tvigy1OQBvk8pBqc_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01yUDX3N1OQBuwP09XL_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"box-sizing: border-box;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffff00;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003ebasic\u003c\/span\u003eParameter:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eOutput power:\u003c\/strong\u003e25W+25W 4Ω   18W+18W 8Ω\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eSupply voltage:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003eAC, dual voltage 18V~ 28V\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eDistortion THD:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e0.4%\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eFrequency Response:\u003c\/strong\u003e20Hz-50KHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eAmplification:\u003c\/strong\u003e97 times\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003einput impedance\u003c\/strong\u003e:1KΩ\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eInput sensitivity:\u003c\/strong\u003e0.12V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eOutput Impedance:\u003c\/strong\u003e4-8Ω\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eDimensions:\u003c\/strong\u003e143 Width * 52 Height * 58 Depth mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eWhole board weight:\u003c\/strong\u003eAbout 170g\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eAccessories:\u003c\/strong\u003eCopper column nut * 4, input shielding wire * 1, long screw * 2\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e \u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 24.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003eThe default is the finished board, which has been tested before shipment, and the non-human damage is guaranteed for 3 months.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-size: 14.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01GWhMwJ1OQBvkvSXKM_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01e6ka4R1OQBvkvPzKb_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Finished board","offer_id":66600703230256,"sku":"5836674515716","price":20.78,"currency_code":"USD","in_stock":true},{"title":"PCB empty board","offer_id":66600703263024,"sku":"5836674515715","price":16.81,"currency_code":"USD","in_stock":true},{"title":"120W ring cow, double 22V four wire","offer_id":66600703295792,"sku":"5835070586139","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01zQMXyM1OQBvjWTOhv__88221699.webp?v=1777032546"},{"product_id":"classic-single-ended-otl-circuit-stk-beautiful-sound-thick-film-stk437-power-amplifier-board-diy-finished-product-board-strong-taste-sweet-voice","title":"STK437 amplifier board – classic single-ended OTL circuit, STK sweet-sounding thick-film, DIY finished board","description":"\u003cul style=\"box-sizing: border-box;margin-bottom: 8.0px;margin-top: 0.0px;padding-left: 20.0px;color: #222222;font-size: 16.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\n\t\u003cli style=\"box-sizing: border-box;font-weight: 400;list-style-type: disc;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003epower output\u003c\/strong\u003eSTK437 has a channel output power of 10W (TDH = 0.2%) at a typical operating voltage of 33V, which has a certain power output capability and can meet some audio playback scenarios that do not require particularly high power\u003cspan\u003e \u003c\/span\u003e.\u003c\/li\u003e\n\t\u003cli style=\"box-sizing: border-box;font-weight: 400;list-style-type: disc;margin-top: 8.0px;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003esound quality characteristics\u003c\/strong\u003e:\n\t\u003cul style=\"box-sizing: border-box;margin-bottom: 0.0px;margin-top: 8.0px;padding-left: 20.0px;color: initial;\"\u003e\n\t\t\u003cli style=\"box-sizing: border-box;font-weight: 400;color: initial;list-style-type: circle;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003eLow distortion\u003c\/strong\u003eTotal harmonic distortion (THD) is low, like only 0.2% under the above typical conditions, which means that it can accurately restore the audio signal, play the sound is relatively pure, less obvious distortion phenomenon, for the pursuit of high fidelity sound quality is an important indicator for users.\u003c\/li\u003e\n\t\t\u003cli style=\"box-sizing: border-box;font-weight: 400;color: initial;list-style-type: circle;margin-top: 8.0px;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003eSound reduction is better\u003c\/strong\u003eIt can amplify the audio signal more accurately, perform more balanced in terms of frequency response, and present the various frequency components of the audio signal relatively completely, so that the played sound is closer to the original audio signal in terms of timbre, tone, etc., giving people a more realistic auditory experience.\u003cspan style=\"font-size: 16.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: left;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;display: inline;float: none;\"\u003e:\u003c\/span\u003e\n\u003c\/li\u003e\n\t\t\u003cli style=\"box-sizing: border-box;font-weight: 400;color: initial;list-style-type: circle;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003eHigh audio transparency and level of detail\u003c\/strong\u003eSince the OTL circuit does not use a protection circuit, the signal transmission path is more concise, providing a purer audio signal, making the STK437 generally have a higher audio transparency and level of detail, which can more clearly show subtle changes in music\u003cspan\u003e \u003c\/span\u003e.\u003c\/li\u003e\n\t\t\u003cli style=\"box-sizing: border-box;font-weight: 400;color: initial;list-style-type: circle;margin-top: 8.0px;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003eGood low-frequency control and dynamic response\u003c\/strong\u003eThe key goal of the OTL circuit design is to make the output impedance as low as possible to match the impedance of the loudspeaker. This way, the audio signal can be better transmitted to the loudspeaker, and the STK437 can provide better low-frequency control and dynamic response, making the bass sound fuller and more powerful. It can also cope better when playing large dynamic music\u003cspan\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\t\t\u003cli style=\"box-sizing: border-box;font-weight: 400;color: initial;list-style-type: circle;margin-top: 8.0px;padding-left: 4.0px;\"\u003e\n\u003cstrong style=\"box-sizing: border-box;font-weight: 600;\"\u003eBetter immersion\u003c\/strong\u003eSTK437 is usually able to provide a better immersive stage effect, that is, the audio signal is close to the speaker position, as if the music is coming directly from the speaker, rather than from behind the speaker, allowing the listener to have a more immersive feeling\u003c\/li\u003e\n\t\u003c\/ul\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01vl2Pjz1OQBtwfHLPH_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e    \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eParameter:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003ePower supply voltage: AC single 23V-33V recommended 30-60W transformer\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003e\u003cspan\u003eFrequency response: 15Hz-45KHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003eInput Sensitivity: 300mV\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003eInput impedance: 220K\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003eMagnification: 4Ω 32 times 8Ω 33 times\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003eMeasured power: 4Ω 18W x 2 8Ω 12.5W x 2\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"\"\u003e\u003cspan\u003eDimensions: 105 L * 63 W * 62 H mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eProduct Net Weight: 150g\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e \u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003eDIY is very simple, no debugging required. DIY, upgrading and modifying speakers are all good choices.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eRecommended match\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e2-5 inch small bookshelf box or unit, accessories: copper pillar nut * 4, screw * 2, three-core shielded cable * 1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eThe finished board is tested and shipped, non-human damage, and the warranty is 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01zU8rxa1OQBtw4vVMJ_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01s1kPGq1OQBtmPIaR9_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01uQfDXI1OQBtrgJqcA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01cKoxXI1OQBtv2Duh5_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01IU5wHL1OQBtwhKvhj_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Default Title","offer_id":66600740028720,"sku":null,"price":29.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01vl2Pjz1OQBtwfHLPH__88221699.webp?v=1777032861"},{"product_id":"classic-thick-film-stk4042ii-high-power-amplifier-board-hifi-enthusiast-grade-finished-board-mono-80w","title":"Classic thick-film STK4042II high-power amplifier board – Hi-Fi audiophile-grade finished board","description":"\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #800080;\"\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency intensity is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to manufacture power amplifiers, such as K + H, Sony Sony, Panasonic PANSONIC, KENWOOD, JEVIS JVC, Shanshui SANSUI, Sharp SHARP, Pioneer PIONEER, Aihua AIWA, etc. Almost all Japanese audio manufacturers use them, and they have been used for more than 20 years, which has influenced a whole generation. It is also a sound with a strong era brand that our entire generation heard when they were young. It always sounds unforgettable. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship, coupled with ON's unique design, and the later products were even more outstanding. They are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e  \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eFortunately, I came across a batch of new inventory of the power amplifier module STK496-090 produced by Sanyo SANYO in the later stage, which is a more classic sound of the old Sanyo. Unfortunately, in the later stage, coinciding with the vigorous development of the Internet and the large-scale popularity of various portable devices (especially large-screen touch-screen mobile phones), many people gradually forgot these high-performance desktop devices. Those once famous audio manufacturers had to change their product direction, making these customized products dusty in the original SANYO packaging factory warehouse in the Philippines, staying for more than ten years.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e   \u003cspan\u003eThe board is a simplified version, with rectifier and filter capacitors removed, direct DC positive and negative voltage input, achieving a very small size.\u003c\/span\u003e\u003cspan style=\"outline: none;background-color: #ffff00;\"\u003eDIY is also very simple, the whole board has been tested, no debugging is required; the output does not have a protection circuit by default, and is added according to personal usage; this product is a good choice for DIY, upgrading and modifying speakers.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSTK4042 module for mono 80W 8Ω output, stereo requires two boards\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSupply voltage: DC ± 45V to ± 63V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eOutput power: 80W8Ω (measured undistorted power under DC60V power supply)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSize: 59.5 * 41mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eAccessories: Copper column nut * 4, screw * 2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped, and a radiator needs to be added after arrival. It is not artificially damaged, and the warranty is 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01ywuFVo1OQBoYJWwJU_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01OPjhNV1OQBoQLtGmk_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN0193ITmk1OQBoWd1O5j_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e\u003cspan style=\"outline: none;background-color: #ffff00;\"\u003eDIY is very simple, the whole board has been tested, no need to debug; DIY, upgrading and modifying speakers are all good choices.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003ePower supply voltage: AC dual 32-44V filter capacitor default 63V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eOutput power: 8\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e0W 8Ω (measured undistorted power under DC60V power supply)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSize: 113 * 64mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eWeight: 191g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eAccessories: Copper pillar nut * 4, screw * 2, three-core shielded cable * 1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"outline: none;margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e    \u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"outline: none;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped, and a radiator needs to be added after arrival. It is not artificially damaged, and the warranty is 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01HyoA1m1OQBoS24CsM_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01UN2KVW1OQBoWd40HA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01qQn7Ix1OQBoZ8r2pZ_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01DcoxC01OQBpCCTWbT_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01rILhng1OQBoYaNA0K_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01qYa2Hd1OQBoerK6hY_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK4042 power amplifier board","offer_id":66600747008304,"sku":"5336906767195","price":29.79,"currency_code":"USD","in_stock":true},{"title":"STK4042 Power Amplifier Board - DC Power Supply","offer_id":66600747041072,"sku":"5336906767194","price":19.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01h5uN7B1OQBoV0JTlU__88221699_5a2099f2-5d9e-451d-860a-d7c97bbe8b03.webp?v=1777032922"},{"product_id":"high-and-low-voltage-power-supply-class-h-stk419-110-thick-film-power-amplifier-circuit-high-power-hifi-power-amplifier-finished-board","title":"Class H with high-low voltage power supply – STK419-110 thick-film amplifier – high-power Hi-Fi finished amplifier board","description":"\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #800080;\"\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency intensity is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to manufacture power amplifiers, such as K + H, Sony Sony, Panasonic PANSONIC, KENWOOD, JEVIS JVC, Shanshui SANSUI, Sharp SHARP, Pioneer PIONEER, Aihua AIWA, etc. Almost all Japanese audio manufacturers use them, and they have been used for more than 20 years, which has influenced a whole generation. It is also a sound with a strong era brand that our entire generation heard when they were young. It always sounds unforgettable. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship, coupled with ON's unique design, and the later products were even more outstanding. They are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003e  \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis board is designed according to the concept of comparative fever, and the materials used are carefully selected. The power amplifier module can be installed horizontally or vertically, and it is easier to achieve multi-channel functions with a suitable radiator.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e   \u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSound performance: The overall tone is warm, the sound is relatively soft, the treble extension is high but not harsh, the bass is deep enough and elastic, and it will not be mixed or sloppy. Sanyo thick film is a circuit between integrated and discrete power amplifiers. Fine workmanship and excellent craftsmanship are stronger than 3886,7294, and it is difficult for general DIY players to achieve this level.\u003c\/strong\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003e   \u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSupply voltage:\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eAC double 22V~ 33V\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eOutput power: 100WX2@4 Ω 75WX2@8 Ω\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eFrequency response: 15Hz-45KHz\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eCircuit board size: 110 wide X88 long\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eFinished plate net weight: about 213g\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01spV4Gk1OQBWeNIMB7_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01SeuJ0f1OQBWix9CBm_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01wwd4SM1OQBt70GlLB_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01mvOegw1OQBt9Ezyde_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01PXiJeb1OQBt4q0tGB_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01QF19pa1OQBt9F0a2h_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN0156pVrD1OQBt6BwHtV_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSupply voltage:\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eHigh voltage double 35-25, low voltage double 25-18 (can be co-located) Under normal circumstances, the secondary needs 5-6 power supply lines\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eOutput power: 50WX2@6 Ω THD 0.2%\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eCircuit board size: 118 wide X45 high X106 long\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eWeight: 0.15KG\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01sCyXMd1OQBszDOhQJ_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01WoFkCL1OQBt6zJ1BC_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN015WldCz1OQBt6j2dt1_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Version 1","offer_id":66600756674864,"sku":"5682003854474","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Version 2","offer_id":66600756707632,"sku":"5682003854475","price":25.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01wwd4SM1OQBt70GlLB__88221699.webp?v=1777033007"},{"product_id":"stk490-310-070-thick-film-module-60wx2-hifi-power-amplifier-finished-board-diy-upgrade-ultra-lm1875","title":"STK490-310 \/ STK490-070 thick-film module – 60W×2 Hi-Fi amplifier finished board, a DIY upgrade surpassing the LM1875","description":"\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #008080;\"\u003eSanyo Semiconductor Co., Ltd. (a member company of ON Semiconductor) is a semiconductor manufacturing company with outstanding power supply device technologies, such as small package technology, energy-efficient switching technology, high-density packaging technology, etc., as well as world-class YI analog technology. Several analog-related assets include a wide range of process technology, analog design technology, skilled analog engineers, and specially designed and manufactured energy-saving and environmentally friendly devices, such as hybrid integrated circuits for inverters. Sanyo's core components include discrete circuits, general-purpose analog large-scale integrated circuits, ASSPs, and hybrid integrated circuits, which are widely used in a variety of products, such as personal computers, printers, cable TVs, mobile phones, audio-visual equipment, gaming equipment, car audio systems, and air conditioners.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis series of products are class H circuits powered by high and low voltages.\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eClass H chip is powered by two sets of voltages of high voltage and low voltage, and automatically switches smoothly according to different output power. Class H power amplifier circuit is a relatively late product, and its design indicators put forward higher requirements for energy saving, signal to noise ratio, sound field and other indicators. This series of thick film chips not only have higher design and production parameters, but also have better hearing. This power amplifier can achieve satisfactory results by promoting general bookshelves or floor speakers.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis board is designed according to the concept of comparative fever, and the materials used are carefully selected. The power amplifier module can be installed horizontally or vertically, and it is easier to achieve multi-channel functions with a suitable radiator.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e   \u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSound performance: The overall tone is warm, the sound is relatively soft, the treble extension is high but not harsh, the bass is deep enough and elastic, and it will not be mixed or sloppy. Sanyo thick film is a circuit between integrated and discrete power amplifiers. Fine workmanship and excellent craftsmanship are stronger than 3886,7294, and it is difficult for general DIY players to achieve this level.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSupply voltage:\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eHigh voltage double 33-22 (AC), low voltage double 22-15 (AC) (can be shared) Under normal circumstances, the secondary needs 5-6 power lines\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eOutput power: 60WX2@6 Ω THD 0.1%\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eCircuit board size: 140 * 85mm\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eWeight: 0.15KG\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;background-color: #ffffff;\"\u003e\u003cfont color=\"#0000ff\" face=\"kaiti_gb2312\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cb\u003eThe finished board is guaranteed for 3 months.\u003c\/b\u003e\u003c\/span\u003e\u003c\/font\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01uVvVZv1OQBWhSrl8Y_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01yAhpEP1OQBWmcgPAl_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01urHRvt1OQBWhsOze3_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01IwFbu41OQBWkQKE5N_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01W3N4mp1OQBWmcgTIV_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01tLAyEq1OQBWiUVSVJ_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01OQGmg11OQBWkQJM10_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01hzr3IO1OQC08w3zmm_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003eSTK490-070 finished board upgrade old power amplifier or active speakers are very good choices\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003ePower supply voltage: AC dual 18V-26V\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003eOutput power: 40WX2@8 Ω THD 0.1% measured\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003eCircuit board size: 140 * 82 * 42mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003eWeight: about 180g\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003eAccessories: Copper pillar nut * 4, screw * 2, three-core shielded cable * 1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01EUDbCP1OQBweZJUoI_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01poDAL81OQBwegXTnR_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eOutput terminal interface polarity sequence: left channel negative-positive, right channel positive-negative (near the relay terminal is positive)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01ZO7FyF1OQBwg5nake_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK490-310 finished board","offer_id":66600772141360,"sku":"5902867914980","price":26.36,"currency_code":"USD","in_stock":true},{"title":"STK490-070 finished board","offer_id":66600772174128,"sku":"5902867914981","price":23.78,"currency_code":"USD","in_stock":true},{"title":"STK490-310 module","offer_id":66600772206896,"sku":"5902867914982","price":21.14,"currency_code":"USD","in_stock":true},{"title":"STK490-070 module","offer_id":66600772239664,"sku":"5902867914983","price":18.67,"currency_code":"USD","in_stock":true},{"title":"STK490-070 PCB empty board","offer_id":66600772272432,"sku":"5902867914984","price":16.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01EUDbCP1OQBweZJUoI__88221699.webp?v=1777033138"},{"product_id":"full-series-thick-film-power-amplifier-board-stk4040-4191-4234-4151-465-and-other-supporting-diy-pcb-boards","title":"Full series of thick-film amplifier boards: STK4040, 4191, 4234, 4151, 465, etc., with matching DIY PCB boards","description":"\u003cp\u003e\u003cspan style=\"color: #ff8c00;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eIn order to reduce the DIY threshold for fans to play, reduce the cost of development and proofing, this link will constantly update some different types of thick film module circuit empty board PCB, commonly used STK4234, STK4191, STK4191, STK437, STK3048 push SAP15, etc. These circuit boards are all in production and sales, and have been tested. As long as you have a suitable module, you can buy an empty board and install it, and you can experience the rich music flavor of thick film in the 8-90's.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eDescription:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e1, DIY requires a certain electronic foundation\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e2. When installing, you need to choose a capacitor suitable for voltage resistance according to the voltage used\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e3, PCB empty board is not covered by warranty\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e4. Each circuit board will be accompanied by parameters and module peripheral circuit diagrams, and the voltage can be selected according to the parameters\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN011PuB8T1OQBvQkrdYA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN013mql9S1OQBvPvswAn_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN017plzUl1OQBvTxXEC5_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01QyupXU1OQBvSQ4m7N_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01nR6hP91OQBvUktcVi_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK415-130 circuit board","offer_id":66601369108784,"sku":"5650008312574","price":16.67,"currency_code":"USD","in_stock":true},{"title":"STK4205~ 4235 General Purpose Circuit Board","offer_id":66601369141552,"sku":"5817948414535","price":14.84,"currency_code":"USD","in_stock":true},{"title":"STK4196 General Purpose Circuit Board","offer_id":66601369174320,"sku":"5656607101460","price":15.51,"currency_code":"USD","in_stock":true},{"title":"STK433-260 circuit board","offer_id":66601369207088,"sku":"5654462172494","price":14.84,"currency_code":"USD","in_stock":true},{"title":"STK412-530 circuit board","offer_id":66601369239856,"sku":"5824083959755","price":15.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01BpU9gT1OQBvP8Nvnh__88221699.webp?v=1777037379"},{"product_id":"stk433-330-130-thick-film-module-hifi-fever-power-amplifier-finished-board-150w-150w-stereo","title":"STK433-330\/130 thick-film module hi-fi audiophile amplifier finished board – 150W+150W stereo","description":"\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;float: none;display: inline;\"\u003eSTK433-330 and STK433-130 are thick film power amplifier modules produced by Sanyo. They were originally used in Yamaha RX-V371 combined power amplifiers. They are 3-channel and 2-channel AB class modules respectively. The maximum output power can reach 150W@6 Ω. STK433-130 signal to noise ratio is as low as 0.01%, usually used for stereo. Sound shows good results,\u003c\/span\u003e\u003cspan style=\"font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: left;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;float: none;display: inline;\"\u003eThe medium and high frequency characteristics are good, the frequency response can reach 50KHz, the resolution is strong, the separation of human voice and musical instrument is excellent, and the low frequency is solid.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eThis product is a power amplifier board developed based on STK433-330 and STK433-130. The power amplifier board does not contain modules.\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"box-sizing: inherit;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eNo accessories included.\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eWithout heat dissipation,\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eYou need to buy modules and radiators separately to use, no debugging, plug and play.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eOutput power:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eSTK433-330 3x150W@6 distortion 0.2% 20Hz-50kHz\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eAC Dual 30-45V;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eSTK433-130 2x150W@6 Distortion 0.01% 20Hz-50kHz\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eAC Dual 24-36V;\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e    STK433-330   180mm x 100mm   400g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003e    STK433-130   132mm x 84mm  250g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eInput Sensitivity: 1V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eInput Impedance: 56K\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eOutput impedance: 4-8Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003e   \u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e \u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;background-color: #ff8c00;\"\u003eNote: Pay attention to the internal voltage of the capacitor when using high voltage.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eThis product is not artificially damaged and is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThe picture below shows the real shot of the STK433-330 power amplifier board.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01d8AI3s1OQByXlDcOi_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01SIixPc1OQByWFc64q_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01DRJxu71OQBySU34Bx_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThe picture below shows the real shot of the STK433-130 power amplifier board.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01bT7iqd1OQByYvM4BA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01zhSsKH1OQByRKRnz6_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01aNiYdO1OQByZcADG6_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eThe STK433-270 module is three-channel 60W, and the default full-frequency output signal. When used as a subwoofer, the bass channel needs to be\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eConnect the low pass signal input.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003ePower supply voltage: AC dual 28-35V,\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #0000ff;\"\u003eOutput power: 3X60W@6 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eSize: 137 * 85mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eAccessories: Copper pillar nut * 4, screw * 2, three-core shielded cable * 1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003e   \u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e \u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;background-color: #ff8c00;\"\u003eNote: The filter capacitor defaults to 50V withstand voltage, and the capacitor needs to be replaced if it is higher than 50V power supply.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped without heat dissipation, and an additional radiator needs to be added.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;outline: none;color: #0000ff;\"\u003eThis product is not artificially damaged and is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 1.12em 0.0px;outline: none;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN018KmSPg1OQByXLLLXM_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK433-130 power amplifier board (excluding modules)","offer_id":66601452568880,"sku":"5983628382907","price":26.34,"currency_code":"USD","in_stock":true},{"title":"STK433-330 power amplifier board (excluding modules)","offer_id":66601452601648,"sku":"5983628382908","price":28.95,"currency_code":"USD","in_stock":true},{"title":"STK433-270 power amplifier board (including modules)","offer_id":66601452634416,"sku":"5817620444577","price":27.39,"currency_code":"USD","in_stock":true},{"title":"STK433-130 power amplifier board (including modules)","offer_id":66601452667184,"sku":"5976937828989","price":31.91,"currency_code":"USD","in_stock":true},{"title":"STK433-330 power amplifier board (including modules)","offer_id":66601452699952,"sku":"5976937828990","price":35.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN010ja7xB1OQByXR2D3I__88221699.webp?v=1777039616"},{"product_id":"全新库存后期大功率厚膜stk404-120发烧级单声道功放板成品","title":"New old stock, later version high-power thick-film STK404-120 audiophile monaural amplifier board – finished","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01xdMog71OQBz44gpuR_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01i3lklM1OQBz4xFMjm_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01IA8p4W1OQBz4xpY7C_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN018SrJ8a1OQBz4xE5k8_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01m8BJdX1OQBz4Ro6yy_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01Hd4mg41OQBz4xrMMo_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01k34VhV1OQBz3pVxVp_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN014fjHm71OQBz4lQmkx_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01nvJCcP1OQBz3pSba6_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01UUpmtZ1OQBz4kNyPc_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01zP9Cfq1OQBz4MSSen_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01LxkfXa1OQBz3pULhs_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"\/\/img.alicdn.com\/imgextra\/i3\/88221699\/TB2DzRghItnpuFjSZFvXXbcTpXa_!!88221699.png\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01DQpbap1OQBz2Rq3j1_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01VWnDo51OQBz2z1jYC_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01gVKN9i1OQBz2z6EOx_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01aCqEHo1OQBz44aSKR_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01SymMQR1OQBz3mMva2_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01WFc4Cc1OQBWbbS2xV_!!88221699.png\" width=\"620\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Default Title","offer_id":66601456337200,"sku":null,"price":35.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01DQpbap1OQBz2Rq3j1__88221699.webp?v=1777039701"},{"product_id":"thick-film-stk4151-4191-module-universal-hifi-level-fever-stereo-diy-power-amplifier-finished-board","title":"Thick-film STK4151\/4191 universal module – hi-fi audiophile stereo DIY finished amplifier board","description":"\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eIn the late 1980s and early 1990s, Sanyo's STK series thick film power amplifier modules appeared in a large number of Japanese combination audio on various brands of machines, attracting a large number of people who had just become wealthy.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\n\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThe difference between the LM1875\/3886 and STK series chips is that, in terms of technology, the LM series is small in size and easy to make, but the real and fake products are uneven; while the thick film chip is composed of multiple imported precision components, as well as sterling silver wire jumper integration (non-fool module), the internal use of very hot constant current circuits and paired high-power triodes; (not to mention the amateur situation, even if there is a certain scale of factories, it is difficult to obtain high-precision power amplifier triodes in batches under the current circumstances. At present, our domestic audio industry Due to these key components, it is still difficult to make a sound.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\n\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eBut on the market level, the two are different for DIY. LM1875 has a large playability space and a small space. In terms of tone, LM1875 is balanced and suitable for entry;\u003cspan style=\"color: #ee82ee;\"\u003e\u003cstrong\u003eIn contrast, the thick tone is warmer and stronger; driven by the market, the LM series is more familiar with it at the entry level, while the obscure STK thick film is an unattainable dream in the eyes of the older generation of fans.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e       \u003cspan style=\"color: #0000ff;\"\u003eThis product is based on the most classic two modules, STK4151 *\/STK4191 *, which are also common modules in Japanese combined machines. This module accounts for a large proportion in the market, but DIY restrictions cannot be achieved. Under the requirements of many burners, this STK4 ** 1 general-purpose power amplifier board has been developed, which can be compatible with a variety of modules and is easy to use. It can be compatible with various modules by modifying some parameters according to requirements.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN017bopjB1OQBydrIXAk_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eBasic parameters:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eModel Number: PAM-STK41xx\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eSupply voltage: refer to the table below\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eOutput power: refer to the table below\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eFrequency Response: 20-20kHz\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eInput Impedance: 56KΩ\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eOutput impedance: 4-16Ω\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-family: microsoft yahei;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eSize: 70 x 170mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eNotes:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e1, power supply voltage range\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e2, capacitor withstand voltage\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e3, module pin arrangement order\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e4, this product is a work in progress, does not contain thick film module, the default is equipped with all parameter components, can be welded according to different modules corresponding parameter components, parameter table refer to the following figure\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e5, this product is work in progress, not covered by warranty\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eParameter comparison table:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01gHPFDj1OQBypW29YV_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01PcQt4L1OQBydpFFuq_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01SZba1Y1OQByePakv0_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01LIeP4Q1OQBydOq9jI_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eGeneral model comparison table:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e  \u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN014UGcFH1OQByf7waK1_!!88221699.jpg\" style=\"max-width: none;width: 730.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01mIj05w1OQBydhUcfg_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01BfEwLe1OQByeovdXj_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"PAM-STK41xx power amplifier board (without module)","offer_id":66601466298672,"sku":"5988926078289","price":25.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN017bopjB1OQBydrIXAk__88221699.webp?v=1777039913"},{"product_id":"fever-design-stk433-760-thick-film-vocal-hifi-power-amplifier-kit-finished-board-why-play-lm1875-again","title":"Audiophile-designed STK433-760 thick-film vocal Hi-Fi amplifier kit \/ finished board – why still bother with the LM1875","description":"\u003cp style=\"margin-top: 1.12em;margin-right: 0.0px;margin-bottom: 1.12em;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01IkOAL11OQBx1LXIlK_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eOption description:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e1. Set of parts: 58 yuan is the spare parts that need to be welded by yourself.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e2. Finished plate: The finished plate is 73 yuan, and the welded plate can be directly installed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #800080;\"\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency strength is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to make power amplifiers, such as K + H, Sony, Panasonic, Kenwood, Jervis, Shanshui, Sharp, Pioneer, Aihua AIWA, etc. Almost all Japanese audio manufacturers used them, and they have been used for more than 20 years. It has influenced a generation, and it is also a sound with a strong brand of the times that our entire generation heard when they were young. It is always unforgettable. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship, coupled with ON's unique design, and the later products were even more outstanding. They are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003e  \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01TCdDvN1OQBrwNJxbz_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eI was fortunate to encounter the power amplifier module STK433-260 produced by Sanyo SANYO in the later stage of batch new inventory. It is said that this earth trademark package gray shell is the product after ON semiconductor (ON Semiconductor) acquired Sanyo's production line. Among them, ON Semiconductor's design and process were integrated. The appearance of the products produced at that stage changed the tradition of the original black ugly shell of the old Sanyo, becoming exquisite and meticulous, and the internal workmanship was also greatly improved. The objective hearing is far beyond the old Sanyo. It is a pity that only a few of the products at that time can still be seen today. At that time, with the vigorous development of the Internet and the large-scale popularization of various portable devices (especially large-screen touch-screen mobile phones), many people gradually forgot about these high-performance desktop devices. Those former well-known audio manufacturers had to change their product direction, making these customized products dusty in the original SANYO packaging factory warehouse in the Philippines for more than ten years.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01OigVIo1OQBs5UOwuV_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eAfter getting the test, it was found that this module still has a relatively large potential, and the actual power is also 50WX2@6 Ω, THD = 0.2%. The module was originally a three-channel design, and this circuit only uses two of them. The recommended working voltage is plus or minus 37V, and the maximum working voltage should not exceed plus or minus 40V.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe main filter capacitor of this product is the original \"Nitsu\" in Japan.\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eNitsuko used disassembly brand capacitor 63V7000UF\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe components and ports on the kit PCB are clearly marked, and as long as they are installed correctly, it is basically a success.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003ePower supply voltage AC: AC dual 22-28V,\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eDimensions: width 133, height 41, depth 73mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eProduct weight: about 123g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eOutput power: 50W measured\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01juNGPO1OQBWnjXM3r_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01Xs1pYM1OQBWrBTiZO_!!88221699.png\" style=\"max-width: none;width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eWiring diagram, take STK433-760 as an example:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01r9u5av1OQBs24XCS8_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eDetail display:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01YYxEYJ1OQBs4XXumx_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01J2bGPT1OQBs74nasL_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01QDk3wx1OQBs5QEk8N_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01jAySng1OQBwhfluJD_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK433-260 kit","offer_id":66601480552752,"sku":"4635060519863","price":22.49,"currency_code":"USD","in_stock":true},{"title":"STK433-260 finished board","offer_id":66601480585520,"sku":"4635060519862","price":25.72,"currency_code":"USD","in_stock":true},{"title":"STK433-760 finished board","offer_id":66601480618288,"sku":"5423128233359","price":25.34,"currency_code":"USD","in_stock":true},{"title":"STK402-100 finished board","offer_id":66601480651056,"sku":"5423128233360","price":27.36,"currency_code":"USD","in_stock":true},{"title":"STK488-010 finished board","offer_id":66601480683824,"sku":"5423128233361","price":26.07,"currency_code":"USD","in_stock":true},{"title":"STK402-240 finished board","offer_id":66601480716592,"sku":"5737506557037","price":23.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01kuI7Xv1OQC2eFu2kw__88221699.webp?v=1777040228"},{"product_id":"stk3048-driver-stk6153-classic-audiophile-grade-combined-thick-film-high-power-amplifier-board-finished-product","title":"STK3048-driven STK6153 classic audiophile-grade combination thick-film high-power amplifier board – finished","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan\u003e   \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 28.0px;\"\u003e\u003cstrong\u003e\u003cspan\u003eSTK3048 push SAP16N\/P power amplifier board, click the picture to view the details\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"http:\/\/item.taobao.com\/item.htm?id=680844786280\"\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01FkCiYw1OQBsNX5Zuo_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01iNOSZD1OQBrgb77NY_!!88221699.jpg\" style=\"width: 750.0px;max-width: none;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e  \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan\u003e       \u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe thick film STK3048 pushes the STK6153 power amplifier circuit as a golden plaything in the 1990s. Its sound is slender and transparent, with a strong low frequency, a medium sound with a unique taste of thick film, small distortion, and a large dynamic range. It was very popular among enthusiasts and enthusiasts at that time.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eSTK3048 is a pre-stage voltage amplification integrated circuit; STK6153 is a post-stage current amplification integrated circuit. STK3048 is a two-channel single-column thick film package with two stages inside. The input stage is a differential amplifier with protection. The resistor-capacitor series phase compensation network of the collector prevents the input stage from transient distortion due to burst signals. A set of mirror current sources is connected between the two collectors. The main voltage amplifier stage is a common-base and common-emitter circuit, and the upper tube amplifies the signal wideband and provides impedance matching for the direct coupling between the input and output stages; the lower tube linearly outputs the amplified current of the upper tube to reduce the open-loop distortion of the stage and provide a larger excitation power to the subsequent stage. The two-stage amplifiers are supplemented by a constant current source as a load, which has strong power supply ripple suppression.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eSTK6153 is a foot mono single-row thick film package, which integrates constant voltage source bias, unadvanced propulsion and unadvanced composite current amplification circuits. It adopts a fully complementary symmetrical structure, with excellent characteristics such as high speed, high precision, high power, and low noise. Due to the built-in bias of the constant voltage source, the unadvanced high-power transistor is always in the best working state and has excellent temperature compensation. The complementary output of the thick film block is designed as an inverted Darlington composite circuit, which is output in the form of an open collector circuit, which can reduce the output impedance.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eCircuit features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e  ● \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eClassic thick film combination STK3048 push STK6153\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e  ● \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eDC midpoint voltage servo, the midpoint voltage is almost zero\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e  ● \u003c\/span\u003e\u003c\/span\u003e\u003cstrong style=\"color: #ff0000;font-size: 12.0px;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eCurrent negative feedback\u003c\/span\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e  ● \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #ff0000;font-weight: bold;font-size: 20.0px;\"\u003eTwo 10000uF50V original Ruby Rubycon rectifier filter capacitors\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e  ● \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eWith horn protection circuit, high current Omron relay\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e  ● \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eWith high-performance op amp feedback volume control circuit to eliminate the influence of resistance potentiometers\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eParameter:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003esupply voltage\u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e:                             \u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eAC Dual 18V-33V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eoutput power\u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e:                             \u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e85W 8Ω   100W 4Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eMaximum signal input: 5V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003emagnification\u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e:                             \u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e38.2 times\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eFrequency response: 25Hz-20kHz\/± 2dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eLeft and right channel separation: 40dB\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eTHD + N (Harmonic Distortion + Noise): 0.05%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eoutput load\u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e:                             \u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e4-16Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eoutput channel\u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e:                             \u003c\/span\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e2 channel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eSize: 153.72 * 101.65mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eWeight: 275g\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe finished board is tested and shipped, non-human damage, and the warranty is 3 months.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe use is very simple, the whole board has been tested, no need to debug, just add a transformer and radiator to make a sound, the old power amplifier, the speaker modification, the effect is much better than the general thousand yuan power amplifier, the real cost of small money to do big things.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01JxmnyK1OQBrgCx0i1_!!88221699.jpg\" style=\"width: 750.0px;max-width: none;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eHigh current Omron relay, truly achieving zero loss, escorts the fever amplifier circuit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01mznqiR1OQBriFTTSC_!!88221699.jpg\" style=\"width: 750.0px;max-width: none;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Default Title","offer_id":66601486156080,"sku":null,"price":34.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01pOaGip1OQBriKei9M__88221699.webp?v=1777040340"},{"product_id":"gc-version-lm1875-dual-core-parallel-amplifier-board-kit-double-sided-immersed-gold-board","title":"GC version LM1875 dual-chip parallel amplifier board kit – double-sided immersion gold PCB","description":"\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe basic evaluation method of true and false LM1875:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe real LM1875 can be put on AC22VX2, and the counterfeit will fry if it exceeds 18VX2. The real output is protected, and the output short circuit will not burn, and the counterfeit output short circuit will blow up. If it is TDA2030A, it will blow up if it exceeds 16V.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"line-height: 1.5;\"\u003eGG version is the full name.\u003c\/span\u003e\u003cspan style=\"line-height: 14.0px;background-color: #e6f6e6;\"\u003eGaincard is a very sound LM1875 circuit that has been repeatedly compared and optimized abroad. It has frequency bandwidth, fineness, hearing resistance, midpoint and stability. If you have not played LM1875, it is recommended to buy it and try it. If you have bought LM1875, users can buy it as an upgrade.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"line-height: 14.0px;background-color: #e6f6e6;\"\u003eThe principle is that the voltage of the two input terminals of the inverting amplifier circuit is always 0, which does not change with the input signal. The input voltage of the transistor (field effect transistor) at the input terminal of the amplifier is constant, and the bias state is always maintained at the appropriate operating point.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eGenerally, the output of a single LM8175 is 4A current, the official indicator, the driving sensitivity is low, and the large amount of speakers is useless with BTL, and the driving force will be overwhelmed. With parallel output, the driving current can be doubled to 8A current., so that the sound field is better, the medium and low frequencies are fuller, and the power is also improved\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003ePCB size: 124X76 mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003eWeight: about 166g\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eThe default main capacitor of the kit is the original UK NOVER 10000UF 35V, which is more durable than Nippon Chemical and Nikon. You need to weld the kit yourself, or you can choose the finished plate.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cspan style=\"font-size: 22.0px;\"\u003e\u003cstrong\u003eProduct Highlights:\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e*\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #0000ff;\"\u003eAdopting a good-sounding CG circuit architecture, the sound is very delicate and durable, and the midpoint is stable\u003c\/span\u003e\u003cbr\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e*\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #0000ff;\"\u003eDouble-sided gold-plated military PCB is used, with good electrical conductivity and not easy to oxidize\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe output adds red copper pentoxide inductance to eliminate interference and clutter, and the sound quality is purer and more natural\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003eJapanese Omron protection circuit, more secure to use\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003eFull advanced component configuration (because there are many non-standard DALE resistors, the default is changed to the famous Beijing Military 718 copper pin resistor).\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003ePCB size \"123MMX75MM board is a double-layer immersion gold PCB.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eAfter decades of classics, why are we still playing with the LM1875 power amplifier circuit?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003ePower range: AC12-AC22X2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eOutput power: 35W-8 ohms 65W 4 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eImpedance range: 2-8 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eFrequency response: 10HZ-40KHZ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003eBecause the price is low, the circuit is classic, and the sound is durable. Although the price is not high, the sound has courage and endless aftertaste!\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003eRecommended transformer\u003cbr\u003e\n\u003ca href=\"http:\/\/item.taobao.com\/item.htm?spm=a1z10.3-c.w4002-1582430503.15.UmBemY\u0026amp;id=7314354497\" target=\"_self\"\u003ehttps:\/\/item.taobao.com\/item.htm?spm=a1z10.3-c.w4002-1582430503.15.UmBemY\u0026amp;id=7314354497\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/TB2uvYwlFXXXXaLXXXXXXXXXXXX_!!88221699.jpg\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cstrong\u003eRecommended radiator\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"color: #222222;font-size: 14.0px;line-height: 1.5;\"\u003ehttps:\/\/item.taobao.com\/item.htm?spm=a1z10.3-c.w4002-1582430503.23.nGEIH2\u0026amp;id=524757565205\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01TYJAuC1OQBb4yiIW9_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN011OQBN36C2mHocRQ_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN011OQBN37nbQHpscG_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN011OQBN2u3b0EK9ee_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN011OQBN2CZF9F4fzc_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN011OQBN0sZcVzS6Pe_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN011OQBN21VMMNAbcv_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN011OQBN38eyd4KW5C_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 14.4444px;\"\u003eRefer to the wiring diagram, it is the same as the wiring of a single GC1875.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/TB2VhHnlFXXXXchXXXXXXXXXXXX_!!88221699.jpg\"\u003e\u003c\/div\u003e \u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/TB2N96LnFXXXXXRXpXXXXXXXXXX_!!88221699.png\"\u003e\u003c\/div\u003e \u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"color: #000000;font-size: 14.4444px;line-height: 23.3333px;\"\u003e \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"A set of spare parts","offer_id":66601497493808,"sku":"4480774064456","price":35.42,"currency_code":"USD","in_stock":true},{"title":"A finished board","offer_id":66601497526576,"sku":"4480774064457","price":38.94,"currency_code":"USD","in_stock":true},{"title":"Finished plate with heat dissipation","offer_id":66601497559344,"sku":"4482549128713","price":41.29,"currency_code":"USD","in_stock":true},{"title":"1 double-sided gold-plated PCB (excluding components)","offer_id":66601497592112,"sku":"4648778357977","price":19.67,"currency_code":"USD","in_stock":true},{"title":"1 piece of matching radiator","offer_id":66601497624880,"sku":"4648778357978","price":22.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01gENi411OQBd2ANbvF__0-item_pic.webp?v=1777040451"},{"product_id":"no-debugging-2-1-5-1-high-power-fever-power-amplifier-board-stk-thick-film-diy-multi-channel-finished-product-heavy-bass","title":"No-tuning 2.1\/5.1 high-power STK thick-film audiophile amp board – DIY multi-channel finished, heavy bass ready","description":"\u003cdiv style=\"width: 750.0px;height: auto;overflow: hidden;\"\u003e\n\u003cdiv style=\"width: 750.0px;height: auto;overflow: hidden;\"\u003e\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;font-size: 14.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #800080;\"\u003e\u003cspan\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency intensity is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to manufacture power amplifiers, such as K + H, Sony Sony, Panasonic PANSONIC, KENWOOD, JEVIS JVC, Shanshui SANSUI, Sharp SHARP, Pioneer PIONEER, Aihua AIWA, etc. Almost all Japanese audio manufacturers use them, and they have been used for more than 20 years, which has influenced a whole generation. It is also a sound with a strong era brand that our entire generation heard when they were young. It always sounds unforgettable. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship, coupled with ON's unique design, and the later products were even more outstanding. They are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan\u003e \u003c\/span\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe power amplifier module STK433-270 produced by Sanyo SANYO in the later stage is said to be the product of ON Semiconductor's acquisition of Sanyo's production line. It incorporates ON Semiconductor's design and process. The appearance of the products produced at that stage has changed the tradition of the original black ugly shell of Sanyo, becoming exquisite and meticulous, and the internal workmanship has also been greatly improved. Objectively, it far surpasses the old Sanyo in terms of hearing. It is a pity that only a few of the products at that time can still be seen today. At that time, with the vigorous development of the Internet and the large-scale popularization of various portable devices (especially large-screen touch-screen mobile phones), many people gradually forgot about these high-performance desktop devices. Those former well-known audio manufacturers had to change their product direction, making these customized products dusty in the original SANYO packaging factory warehouse in the Philippines for more than ten years.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eAfter getting the test found that this module still has a relatively large potential, the actual power 60WX3@6 Ω, the recommended working voltage plus or minus 46V, the maximum working voltage should not exceed plus or minus 50V.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e\u003cspan style=\"outline: none;background-color: #ffff00;\"\u003e\u003cspan\u003e    \u003c\/span\u003eDIY is very simple, the whole board has been tested, no need to debug; DIY, upgrading and modifying speakers are all good choices.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis model module is three-channel 60W, and the default full-frequency output signal. When used as a subwoofer, the bass channel needs to be\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eConnect the low-pass signal input.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003ePower supply voltage: AC dual 28-35V,\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eOutput power: 3X60W@6 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSize: 137 * 85mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eAccessories: Copper pillar nut * 4, screw * 2, three-core shielded cable * 1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e   \u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"outline: none;background-color: #ff8c00;\"\u003eNote: The filter capacitor defaults to 50V withstand voltage, and the capacitor needs to be replaced if it is higher than 50V power supply.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped without heat dissipation, and an additional radiator needs to be added.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThis product is not artificially damaged and is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01e83uod1OQByQHm3zO_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN018dguYW1OQByOXRz20_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01c94mbt1OQByPDXZju_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01Q537B21OQByNU5jH4_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e---------------------- demarcation line ----------------------\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eSTK443-090 This model module is three-channel 80W, and the default full-frequency output signal. When used as a subwoofer, the bass channel needs to be\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eConnect the low pass signal input.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003ePower supply voltage: AC dual 24-36V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFrequency response: 20Hz-50kHz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eOutput power: 3X80W@4 Ω 3X66W@8 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSize: 169 * 85mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eWeight: 0.28kg\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eAccessories: Copper column nut * 4, screw * 2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped without heat dissipation. It needs to be used with an additional heat sink, and heat dissipation does not require insulation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThis product is not artificially damaged and is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01MkvTeZ1OQByWBZsiZ_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01qAP5eJ1OQBydiSBQK_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e---------------------- demarcation line ----------------------\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eSTK4187 This model module is three-channel 100W, and the default full-frequency output signal. When used as a subwoofer, the bass channel needs to be\u003c\/span\u003e\u003c\/strong\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eConnect the low pass signal input.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003ePower supply voltage: AC dual 25-35V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFrequency response: 15Hz-18kHz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eOutput power: 3X100W@4 Ω 3X66W@8 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSize: 175 * 83mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eAccessories: Copper pillar nut * 4, screw * 2, three-core shielded cable * 1\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped without heat dissipation. It needs to be used with an additional heat sink, and heat dissipation does not require insulation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThis product is not artificially damaged and is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01F2K6091OQByFXZnAA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e---------------------- demarcation line ----------------------\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e\u003cspan style=\"outline: none;background-color: #ffff00;\"\u003e\u003cspan\u003e  \u003c\/span\u003eDIY is very simple, the whole board has been tested, no debugging required; DIY, upgrading and modifying 5.1-channel speakers are all good choices.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis model module has 5 channels of 30W.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003ePower supply voltage: AC dual 15-28V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eOutput power: 36W@4 Ω 28W@8 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eTHD + N (Harmonic Distortion + Noise) 0.05%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eSize: 175 * 103mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eAccessories: Copper column nut * 4, screw * 2\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003e   \u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"outline: none;background-color: #ff8c00;\"\u003eNote: The filter capacitor defaults to 40V withstand voltage, and the AC power supply is higher than 23V power supply, and the capacitor needs to be replaced.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThe finished board is tested and shipped without heat dissipation. It needs to be used with an additional heat sink. The module design is placed at the bottom of the circuit board, and the installation method is horizontal installation.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;outline: none;word-break: break-all;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;outline: none;font-size: 20.0px;\"\u003e\u003cspan style=\"outline: none;color: #0000ff;\"\u003eThis product is not artificially damaged and is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01JMGchD1OQByOXTnGz_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01mkot7y1OQByP6Xwj6_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01rnh1YX1OQByPDXmB5_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01Hz9ciz1OQByPJkpaS_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;text-align: center;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e---------------------- demarcation line ----------------------\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis product is installed and tested before delivery. The finished plate with the radiator as shown in the picture should not be enough for high power in actual use. You can install the radiator according to your actual usage.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe main filter capacitor of this product is a second-hand disassembly machine in Japan. There is no kit provided on this board, and it will not be disassembled and sold.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis product is guaranteed to be in good hands, and it is not guaranteed if it is damaged by overpressure.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003ePower supply voltage: AC dual 28-35V,\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eOutput power: 3X60W@6 Ω\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eDimensions: Width 120 Height 70 Depth 170mm\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eWeight: 0.6KG\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;color: #000000;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-weight: bold;font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01qmomjB1OQByP6WGjT_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01WDAIix1OQByQaPr2E_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01MB84eW1OQByORDTvc_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01Qiy6J91OQByPq03ra_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01dhuV7M1OQByOkqAFr_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN012j12cu1OQByOkrqDs_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01ZofZkL1OQByORBnwY_!!88221699.jpg\" style=\"display: block;width: 100.0%;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"60W * 3 channel power amplifier board","offer_id":66601499820336,"sku":"5349425615222","price":46.14,"currency_code":"USD","in_stock":true},{"title":"60W * 3 Channel Amplifier Board - New","offer_id":66601499853104,"sku":"5349425615221","price":32.39,"currency_code":"USD","in_stock":true},{"title":"PCB empty board + STK433-270 module","offer_id":66601499885872,"sku":"5349425615220","price":19.52,"currency_code":"USD","in_stock":true},{"title":"36W * 5 channel power amplifier board STK402-950","offer_id":66601499918640,"sku":"5416980856599","price":32.66,"currency_code":"USD","in_stock":true},{"title":"30W * 3 channel power amplifier board STK4137","offer_id":66601499951408,"sku":"5688363560628","price":30.07,"currency_code":"USD","in_stock":true},{"title":"100W * 3 channel power amplifier board STK4187","offer_id":66601499984176,"sku":"5983571890809","price":32.66,"currency_code":"USD","in_stock":true},{"title":"80W * 3 channel power amplifier board","offer_id":66601500016944,"sku":"5821975904390","price":32.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01Llqm4t1OQBoZSzXOY__88221699_038ed43f-f37f-47ee-a945-a7f429ff7227.webp?v=1777040597"},{"product_id":"original-stk404-090-thick-film-50wx2-finished-power-amplifier-board-audiophile-grade-stereo-in-new-stock","title":"Genuine STK404-090 thick-film 50W×2 finished amplifier board – audiophile-grade stereo","description":"\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eSpecial note: This product is a finished board of stereo power amplifier, and no kit is provided for the time being.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThe current shipment is green PCB board.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20.0px;\"\u003eNote: Product pictures, videos, text and other related descriptions are all made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #008080;\"\u003eAbout Sanyo Semiconductor (ON Semiconductor member company)\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #008080;\"\u003eSanyo Semiconductor Co., Ltd. (a member company of ON Semiconductor) is a semiconductor manufacturing company with outstanding power supply device technologies, such as small package technology, energy-efficient switching technology, high-density packaging technology, etc., as well as world-class YI analog technology. Several analog-related assets include a wide range of process technology, analog design technology, skilled analog engineers, and specially designed and manufactured energy-saving and environmentally friendly devices, such as hybrid integrated circuits for inverters. Sanyo's core components include discrete circuits, general-purpose analog large-scale integrated circuits, ASSPs, and hybrid integrated circuits, which are widely used in a variety of products, such as personal computers, printers, cable TVs, mobile phones, audio-visual equipment, gaming equipment, car audio systems, and air conditioners.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #800080;\"\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency strength is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to manufacture power amplifiers, such as K + H, Sony Sony, Panasonic PANSONIC, KENWOOD, JEVIS JVC, Shanshui SANSUI, Sharp SHARP, Pioneer PIONEER, Aihua AIWA, etc. Almost all Japanese audio manufacturers use them, and they have been used for more than 20 years, which has influenced a whole generation. It is also a sound with a strong era brand that our entire generation heard when they were young. It always sounds unforgettable. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship, coupled with ON's unique design, and the later products were even more outstanding. They are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003e  \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eFortunately, I came across the power amplifier module STK404-090 produced by Sanyo SANYO in the later stage of the batch of new inventory. There are many models of this series, from STK404-050-140. This series of products is relatively late-stage production, using typical classic circuits, the circuit is relatively simple, the package is small, and the sound performance is good. The design output power is 50W @6 ohms, and the distortion is THD0.4%. Push the general bookshelf or floor-to-ceiling speakers to achieve satisfactory results. This thick film chip was only supplied to manufacturers that made the whole machine at that time, so it was difficult to see on the market.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis board is designed according to the concept of relatively fever, and all interfaces are solder-free and non-destructive to install. The materials used are carefully selected, and the power amplifier module can be installed horizontally or vertically. It is easier to use with a suitable radiator.\u003c\/span\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan\u003e(The filter capacitor of this board is a second-hand disassembly product, with a specification of 35V8100UF.)\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e   \u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eSound performance: The overall tone is warm, the sound is relatively soft, the treble extension is high but not harsh, the bass is deep enough and elastic, and it will not be muddy without mixing. Sanyo thick film is a circuit between integrated and discrete power amplifiers. The fine workmanship and excellent craftsmanship are stronger than 3886 and 7294. Old players who have heard Aihua, SONY and other combined machines know that the sound is excellent, and it is difficult for general DIY players to achieve this level.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003ePower supply voltage: AC dual 22-35V (\u003cspan style=\"color: #ff0000;\"\u003eGreater than or less than this voltage cannot be used normally. When using AC greater than 24V, the filter capacitor needs to be replaced\u003c\/span\u003e)\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eOutput power: 50W@6 Ω\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eAccessories: three-core shielded input cable * 1,4P output cable * 1,15mm screw * 4\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eCircuit board size: 75 wide X142 long X43 high (excluding thick film chips)\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003e   \u003c\/strong\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eWeight: about 176g\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01tM5w3v1OQC1V9NVWo_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01IGqNNx1OQC1VVFVUA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN011ljc801OQC1UskuDA_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01zJ1sq91OQC1V9aOmc_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003ePower supply voltage: AC dual 22-35V (\u003cspan style=\"color: #ff0000;\"\u003eGreater than or less than this voltage cannot be used normally. When using AC greater than 24V, the filter capacitor needs to be replaced\u003c\/span\u003e)\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eOutput power: 100W 8Ω 150W 4Ω measured power\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eAccessories: three-core shielded input cable * 1,4P output cable * 1,15mm screw * 4\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eCircuit board size: 75 wide X142 long X43 high (excluding thick film chips)\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 14.0px;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cfont color=\"#0000ff\" face=\"kaiti_gb2312\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cb\u003eThis finished board has a mono output, and two pieces are required for stereo use.\u003c\/b\u003e\u003c\/span\u003e\u003c\/font\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-size: 12.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 18.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffff00;\"\u003eThis product is very simple to use, the whole board has been tested, no need to debug, just add a transformer and radiator to make a sound, old power amplifier, speaker modification, measured power 150W4 ohm, easy to push large speakers, large speakers, the effect is much better than the general thousand yuan power amplifier, the real cost of small money to do big things.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01H8bN0E1OQBqbxIF5M_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;word-break: break-all;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01KF8FJG1OQBrpDSX5N_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"STK404-090 power amplifier board + radiator","offer_id":66601512730928,"sku":"5001389374752","price":30.07,"currency_code":"USD","in_stock":true},{"title":"STK404-090 power amplifier board","offer_id":66601512763696,"sku":"5003134518203","price":28.78,"currency_code":"USD","in_stock":true},{"title":"STK404-090 Shunt Amplifier Board - Mono","offer_id":66601512796464,"sku":"5382726853091","price":28.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01tM5w3v1OQC1V9NVWo__88221699.webp?v=1777040717"},{"product_id":"thick-film-rsn311w64-h-class-hifi-audiophile-power-amplifier-board-finished-300w-six-channel-can-be-grouped-into-5-1-channels","title":"Thick-film RSN311W64 Class H Hi-Fi audiophile-grade finished amplifier board – 300W, six channels, configurable for 5.1-channel surround sound","description":"\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eAdopt genuine new original RSN311W64D chip, original box packaging. Module power 25WX6@6 Europe, distortion THD0.15%. Panasonic's most classic power amplifier thick film chip, this is a relatively unique circuit, high parameter indicators, rich sound details and good strength.\u003c\/span\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThis model module is commonly used in Panasonic active subwoofer, with a bass of 6.5 inches and a total measured power of 300\u003c\/span\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e. Guaranteed not to be a polished product, and guaranteed not to be a domestic imitation in the later stage. There are no counterfeits in China for this model. We guarantee the original to be old and fidelity, and you will be fined ten for one fake. Do what you say\u003cbr\u003e\n\u003cbr\u003e\nThese Sanyo thick films are the only remaining Sanyo\/Sanyo STK stock in the world. New power amplifier thick film blocks\u003cbr\u003e\nThere are more than 100 models of thick film blocks in this batch of inventory, with a total quantity of more than 1.3 million pieces. All of them come from Sanyo Sanyo's Philippine packaging and testing factory, which is the only largest spot inventory in the world. It is definitely not a disassembly, not a refurbishment, not a domestic imitation. This is nearly 30 years of tail inventory from Sanyo's factory, and its production period is from 1982 to 2009. There are two reasons for the formation of this batch of goods. One is the stocking inventory made more for each batch of orders (replacement for customers when there is a quality problem), and the other is the unused and unexecuted contract orders in the later stage. After more than three years of testing, we have not found any model with defective products. These are all qualified parts with original packaging. Purchases from us are guaranteed to be brand new and genuine products from the original factory! There are more than 100 models, and we will upload the characteristic table of all models one after another for you to buy. Batch users provide Sanyo thick film manuals. Fake one penalty ten does what you say. All products support retail, and the price ranges from 8-168 yuan. For details, please contact us.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;margin: 1.12em 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 14.4444px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #000000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-style: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-weight: 400;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;letter-spacing: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;orphans: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;text-transform: none;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;white-space: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;widows: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;word-spacing: 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;line-height: 23.3333px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eBasic parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003ePower supply voltage: AC dual 22V-33V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eOutput power:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e45W x6 channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e8Ω 50W x6 channel 4Ω RMS measured continuous maximum output power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eFrequency, sound: 15Hz-65kHz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eLost, True: 0.15%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eRuler, inch: 133X125MM length X width\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eAccessories: Copper column nut * 4, long screw * 2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eThe default is the finished board, which has been tested before shipment, and the non-human damage is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;font-size: 14.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN019u0iFc1OQBtO4kMVr_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01rEGmo41OQBtOaXVHo_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01EdAJS51OQBtMhejF1_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN013d8x1K1OQBtkO6Mij_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01xd3tF81OQBtjJ9Qyu_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01oeN0O81OQBwAdbGbp_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eAdopt genuine new original RSN315H41 chip, original box packaging. Module power 40WX6@6 Europe, distortion THD 0.05%. Panasonic's most classic power amplifier thick film chip, this is a relatively unique circuit, high parameter indicators, rich sound details and good strength.\u003c\/span\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThis model module is commonly used in Panasonic active subwoofer, with a bass of 6.5 inches and a total measured power of 300 watts\u003c\/span\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e. Guaranteed not to be a polished product, and guaranteed not to be a domestic imitation in the later stage. There are no counterfeits in China for this model. We guarantee the original to be old and fidelity, and you will be fined ten for one fake. Do what you say\u003cbr\u003e\n\u003cbr\u003e\nThese Sanyo thick films are the only remaining Sanyo\/Sanyo STK stock in the world. New power amplifier thick film blocks\u003cbr\u003e\nThere are more than 100 models of thick film blocks in this batch of inventory, with a total quantity of more than 1.3 million pieces. All of them come from Sanyo Sanyo's Philippine packaging and testing factory, which is the only largest spot inventory in the world. It is definitely not a disassembly, not a refurbishment, not a domestic imitation. This is nearly 30 years of tail inventory from Sanyo's factory, and its production period is from 1982 to 2009. There are two reasons for the formation of this batch of goods. One is the stocking inventory made more for each batch of orders (replacement for customers when there is a quality problem), and the other is the unused and unexecuted contract orders in the later stage. After more than three years of testing, we have not found any model with defective products. These are all qualified parts with original packaging. Purchases from us are guaranteed to be brand new and genuine products from the original factory! There are more than 100 models, and we will upload the characteristic table of all models one after another for you to buy. Batch users provide Sanyo thick film manuals. Fake one penalty ten does what you say. All products support retail, and the price ranges from 8-168 yuan. For details, please contact us.\u003c\/span\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;margin: 1.12em 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 14.4444px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #000000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-style: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-weight: 400;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;letter-spacing: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;orphans: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;text-transform: none;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;white-space: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;widows: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;word-spacing: 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;line-height: 23.3333px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eBasic parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003ePower supply voltage: AC dual 22V-35V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eOutput power:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e70W x 4 channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e8Ω 70W x 4-channel 4Ω RMS measured continuous maximum output power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eInput sensitivity: 0.5V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eMagnification: 47 times\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eFrequency, sound: 25Hz-45kHz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eLost, True: 0.05%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eRuler, inch: 163X77MM length X width\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eAccessories: Copper column nut * 4, long screw * 2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eThe default is the finished board, which has been tested before shipment, and the non-human damage is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #000000;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;font-size: 14.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 20.0px;\"\u003eNote: All product pictures, videos, text and other related descriptions are made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on the receipt of the actual product.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01dojz8A1OQBw7uL92v_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01EyTHrr1OQBwA5bWHx_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01CVlxSq1OQBwCU38yi_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;margin: 0.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN012zbbev1OQBwB1ycP1_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"6-Channel RSN311H64 power amplifier board","offer_id":66601515450672,"sku":"5688274288584","price":39.23,"currency_code":"USD","in_stock":true},{"title":"4-Channel RSN315H41 power amplifier board","offer_id":66601515483440,"sku":"5688274288585","price":33.95,"currency_code":"USD","in_stock":true},{"title":"6 channel RSN311H64 PCB","offer_id":66601515516208,"sku":"5688274288586","price":22.23,"currency_code":"USD","in_stock":true},{"title":"4 channel RSN315H41 PCB","offer_id":66601515548976,"sku":"5688274288587","price":22.23,"currency_code":"USD","in_stock":true},{"title":"300W matching transformer","offer_id":66601515581744,"sku":"5690409145248","price":41.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01uoylz21OQBw7uw8Y4__88221699.webp?v=1777040783"},{"product_id":"gc-version-lm1875-4-core-parallel-amplifier-board-kit-class-a-small-a","title":"GC version LM1875 quad-core parallel amplifier board kit – Class A, mini Class A","description":"\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe basic evaluation method of true and false LM1875:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"font-size: 26.0px;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eThe real LM1875 can be put on AC22VX2, and the counterfeit will fry if it exceeds 18VX2. The real output is protected, and the output short circuit will not burn, and the counterfeit output short circuit will blow up. If it is TDA2030A, it will blow up if it exceeds 16V.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eThe kit needs to be welded by yourself, please choose the spare parts or finished board according to your own DIY ability. The default main capacitor of the kit is the original UK NOVER 10000UF 35V, which is more durable than Nippon Chemical and Nikon.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cfont color=\"#ff0000\"\u003e\u003cb\u003eThe kit does not contain the main heat dissipation, so it needs to be purchased separately. Because the output of 8 pieces of LM1875 small armor is higher than that of a single piece, this is normal. If you require no temperature, you can buy a digital power amplifier.\u003c\/b\u003e\u003c\/font\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"line-height: 1.5;\"\u003eGG version is the full name.\u003c\/span\u003e\u003cspan style=\"line-height: 14.0px;background-color: #e6f6e6;\"\u003eGaincard is a very sound LM1875 circuit that has been repeatedly compared and optimized abroad. It has frequency bandwidth, fineness, hearing resistance, midpoint and stability. If you have not played LM1875, it is recommended to buy it and try it. If you have bought LM1875, users can buy it as an upgrade.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cspan style=\"line-height: 14.0px;background-color: #e6f6e6;\"\u003eThe principle is that the voltage of the two input terminals of the inverting amplifier circuit is always 0, which does not change with the input signal. The input voltage of the transistor (field effect transistor) at the input terminal of the amplifier is constant, and the bias state is always maintained at the appropriate operating point.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eGenerally, the output of a single LM8175 is 4A current, the official indicator, the driving sensitivity is low, and the large amount of speakers is useless with BTL, and the driving force will be overwhelmed. With 4 output, the driving current can be doubled to 16A current. This way, the sound field is better, the medium and low frequencies are fuller, and the power is also improved.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cfont color=\"#ff0000\"\u003e\u003cb\u003eOne channel is output by 4 pieces of LM1875, the quiescent current is 4 times higher than that of a single piece, the whole board current is about 0.5A, and the medium and small volume is pure Class A state. The human voice is very delicate and natural, full, and more comfortable than 1969 Class A. At the same time, it can be successful without cumbersome debugging\u003c\/b\u003e\u003c\/font\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong\u003eProduct Highlights:\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e*\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #0000ff;\"\u003eAdopting a good-sounding CG circuit architecture, the sound is very delicate and durable, with a stable midpoint of 4 and X2 small Class A output\u003c\/span\u003e\u003cbr\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e*\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #0000ff;\"\u003e40000UF large-capacity filtering, excellent for low-frequency diving\u003c\/span\u003e\u003cbr\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e*\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"color: #0000ff;\"\u003eDouble-sided gold-plated military PCB is used, with good electrical conductivity and not easy to oxidize\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003eThe output adds red copper pentoxide inductance to eliminate interference and clutter, and the sound quality is purer and more natural\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003eJapanese Omron protection circuit, more secure to use\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e*\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003eFull Advanced Component Configuration\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-size: 14.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cspan style=\"color: #ff0000;\"\u003ePCB size \"185MMX98MM The board is a double-layer immersion gold PCB.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eAfter decades of classics, why are we still playing with the LM1875 power amplifier circuit?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003ePower range: AC12-AC22X2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eOutput power: 45W-8 ohms 60W 4 ohms (5W under pure A)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eImpedance range: 1-8 ohms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eFrequency response: 10HZ-40KHZ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eRadiator size 200 * 40 * 62\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cspan style=\"font-size: 18.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003cstrong\u003eWhole machine display:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01qljQji1OQBXtDII5K_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003eRecommended transformer (18V is recommended)\u003cbr\u003e\n\u003ca href=\"http:\/\/item.taobao.com\/item.htm?spm=a1z10.3-c.w4002-1582430503.15.UmBemY\u0026amp;id=7314354497\" style=\"text-decoration: underline;color: #3366cc;outline: 0.0px;\" target=\"_self\"\u003ehttps:\/\/item.taobao.com\/item.htm?spm=a1z10.3-c.w4002-1582430503.15.UmBemY\u0026amp;id=7314354497\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01bQ1SC11OQBVTuUAc6_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01gk8ELD1OQBVT2La4L_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01Q0YBIu1OQBVQIy3xQ_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01yHchfi1OQBVSa9zSu_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01S0jAsm1OQBVPLS9S2_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01WglyDa1OQBVS9y0u6_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01gxCGaz1OQBVQJ6FiC_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0.0px;background-color: #ffffff;font-size: 14.4444px;line-height: 23.3333px;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01uRdC1A1OQBVUlVLRb_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Kit without heat dissipation","offer_id":66601518301488,"sku":"4580539735133","price":45.84,"currency_code":"USD","in_stock":true},{"title":"Dedicated cooling","offer_id":66601518334256,"sku":"4580539735132","price":19.9,"currency_code":"USD","in_stock":true},{"title":"Finished board without heat dissipation","offer_id":66601518367024,"sku":"4651714183451","price":50.98,"currency_code":"USD","in_stock":true},{"title":"shell","offer_id":66601518399792,"sku":"4480847469808","price":43.2,"currency_code":"USD","in_stock":true},{"title":"Finished plate with heat dissipation","offer_id":66601518432560,"sku":"4654871722834","price":53.33,"currency_code":"USD","in_stock":true},{"title":"1 double-sided gold-plated PCB (excluding components)","offer_id":66601518465328,"sku":"4817362942425","price":19.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01TyGJXQ1OQBd0h6F5c__0-item_pic.webp?v=1777040851"},{"product_id":"cg-version-lm1875-lower-distortion-more-durable-version-amplifier-board-finished-board-diy-kit","title":"CG version LM1875 – lower distortion, more pleasant-sounding version – finished amplifier board and DIY kit","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01OFOPkW1OQBoWTHleS_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01bSonOv1OQBoWTLrue_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01vPIQWL1OQBoXZSpJO_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01p8FQwM1OQBoVS6jml_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01ijeowx1OQBoTWCGru_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01vUV5mM1OQBobQIoUR_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01SdAUoM1OQBoWTH1uU_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01ADBPZI1OQBoVS64Cg_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01ZQQF5Q1OQBoXZTA5m_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN016ubG2p1OQBoY646qy_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01Zf8AFv1OQBoacc4uF_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01xQybRg1OQBoWTHMh5_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01MnyMTF1OQBoRpNr7S_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01weWbpU1OQBoXZV6gS_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01dPskHP1OQBoVS68MY_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01BNaHzi1OQBoZSXsG9_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01TWwDTO1OQBoXZVqOa_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01pepMiB1OQBoNE6piI_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/TB2kCSqjXXXXXbsXpXXXXXXXXXX_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN011OQBMvqPBjG8CKz_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01cvZDNn1OQBoWTJAyB_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01DxIhO81OQBoNE9Rq3_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/TB2HuXOzlmWBuNkSndVXXcsApXa_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/TB2u5fBuvImBKNjSZFlXXc43FXa_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/TB27yxDHpGWBuNjy0FbXXb4sXXa_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/TB22XGcHAyWBuNjy0FpXXassXXa_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/TB2Mr9PHx9YBuNjy0FfXXXIsVXa_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01sGkunG1OQBoWTHIXQ_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01zHHy2N1OQBoWTLjbI_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN016H1grE1OQBoVUhWM0_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01XAoLjV1OQBobQIsdN_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01QjeGBk1OQBoTWDwmP_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01nqmMhe1OQBoWTNwmA_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01MsW7bV1OQBoZmwUV2_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01tWPzcW1OQBoVTdntb_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01mOlI9C1OQBoWTLX8V_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN01Fh9dpM1OQBoWTG9rs_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01f2s3Si1OQBoacd16p_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01zPdbyL1OQBoWTL40r_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN018Foymb1OQBoWTIuLD_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01qNkGK41OQBoYS5QTP_!!88221699.jpg\" width=\"620\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Kit spare parts 1 set","offer_id":66601526165808,"sku":"4650990934140","price":29.69,"currency_code":"USD","in_stock":true},{"title":"1 finished board","offer_id":66601526198576,"sku":"4650990934141","price":32.28,"currency_code":"USD","in_stock":true},{"title":"1 finished plate with heat dissipation","offer_id":66601526231344,"sku":"4650990934139","price":33.51,"currency_code":"USD","in_stock":true},{"title":"1 double-sided gold-plated PCB (excluding components)","offer_id":66601526264112,"sku":"4821717463942","price":31.03,"currency_code":"USD","in_stock":true},{"title":"Matching radiator (installation hole has been punched)","offer_id":66601526296880,"sku":"4821717463940","price":31.16,"currency_code":"USD","in_stock":true},{"title":"1 matching pure copper wire transformer 120W","offer_id":66601526329648,"sku":"4821717463941","price":25.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/2367\/2112\/files\/O1CN01FKke4x1OQBcx0mXaj__0-item_pic.webp?v=1777040954"},{"product_id":"new-stock-original-rsn3502-thick-film-hifi-audiophile-power-amplifier-board-finished-diy-binaural-audio","title":"Brand new old stock original RSN3502 thick-film hi-fi audiophile-grade amplifier board – finished DIY stereo sound system.","description":"\u003cp\u003e\u003cspan style=\"font-size: 24.0px;\"\u003eThe only new stock on the whole network Panasonic original RSN3502 power amplifier thick film power amplifier board\u003cbr\u003e\nAdopt genuine brand new original RSN3502 chip, original box packaging. The power of the power amplifier board is 50WX2@4 euros, and the distortion is THD0.1%. Panasonic's most classic power amplifier thick film chip, this is a relatively unique circuit, with high parameter indicators and rich sound details. The output power tube is a field effect tube. It is guaranteed that it is not a polished product, and it is guaranteed that it is not a later domestic imitation. There are no counterfeits in this model in China. We guarantee the original old-fashioned fidelity, and a penalty of ten for false ones. Do what you say\u003cbr\u003e\n\u003cbr\u003e\nThese Sanyo thick films are the only remaining Sanyo\/Sanyo STK stock in the world. New power amplifier thick film blocks\u003cbr\u003e\nThere are more than 100 models of thick film blocks in this batch of inventory, with a total quantity of more than 1.3 million pieces. All of them come from Sanyo Sanyo's Philippine packaging and testing factory, which is the only largest spot inventory in the world. It is definitely not a disassembly, not a refurbishment, not a domestic imitation. This is nearly 30 years of tail inventory from Sanyo's factory, and its production period is from 1982 to 2009. There are two reasons for the formation of this batch of goods. One is the stocking inventory made more for each batch of orders (replacement for customers when there is a quality problem), and the other is the unused and unexecuted contract orders in the later stage. After more than three years of testing, we have not found any model with defective products. These are all qualified parts with original packaging. Purchases from us are guaranteed to be brand new and genuine products from the original factory! There are more than 100 models, we will upload the characteristics table of all models one after another for you to buy. Batch users provide Sanyo thick film manuals. All products support retail sales, and the price ranges from 8-168 yuan. For details, please contact us.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 24.0px;\"\u003e\u003cspan style=\"color: #000000;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #e6f6e6;float: none;display: inline;\"\u003ePanasonic thick film RSN3502 actual listening very durable, intermediate frequency unexpected.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;margin: 1.12em 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 14.4444px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #000000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-style: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-weight: 400;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;letter-spacing: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;orphans: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;text-transform: none;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;white-space: normal;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;widows: 2;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;word-spacing: 0.0px;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;line-height: 23.3333px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;line-height: 36.0px;\"\u003eBasic parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003ePower supply voltage: AC dual 18V-33V\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eOutput power:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e60W+60W  \u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e8Ω 80W + 80W 4Ω measured continuous maximum output power\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eFrequency, sound: 40Hz-45kHz\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eLost, True: 0.1%\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003eRuler, inch: 136X56MM length X width\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;color: #ff0000;\"\u003e\u003cspan style=\"box-sizing: inherit;word-break: break-all;font-size: 22.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eAccessories: copper pillar nut * 4, input shielded wire * 1, long screw * 2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"box-sizing: inherit;padding: 0.0px;word-break: break-all;margin: 0.0px;color: #000000;font-size: 12.0px;font-style: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-style: normal;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0.0px;text-transform: none;widows: 2;word-spacing: 0.0px;white-space: normal;background-color: #ffffff;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;color: #0000ff;font-size: 24.0px;line-height: 36.0px;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;font-family: kaiti_gb2312;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003e\u003cstrong style=\"box-sizing: inherit;font-weight: bold;\"\u003eThe default is the finished board, which has been tested before shipment, and the non-human damage is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01KkRgWU1OQBycCpvav_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01j55IEG1OQBybzvDjn_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" 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