Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
MB Quart 12" Car Subwoofer FWA304D, Auto Accessories on Carousell
Auto Subwoofer 2000watt, € 650,- (9941 Kartitsch) - willhaben
Amazon.com: MB Quart FW1-254 Formula Series Dual Voice-Coil Subwoofer (10") : Electronics
FW1-254 Formula 10 Inch 4 Ohm DVC Subwoofer | MB Quart
MB Quart Formula 10" Dual-Voice-Coil 4-Ohm Subwoofer Black FW1-254 - Best Buy