3-inch/4-inch/5-inch/6.5-inch/8-inch/10-inch woofer, subwoofer speaker

3-Inch – Round (89mm Panel), 4-Inch – Round (116mm Panel), 8-Inch – Round (210mm Panel), 3-Inch – Square (78/93mm Panel), 4-Inch – Square (105/126.5mm Panel), 6.5-Inch – Round (166mm Panel), 10-Inch Subwoofer – Round (258mm Panel)