Amazon.com: American Bass Godfather 1222 12" Subwoofer 3000 Watts RMS 6000 Watts MAX : Electronics
Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Custom CAB Ultra (Ultra Series) Car Subwoofer 1500 Watts RMS
SUNDOWN AUDIO U SERIES 8" (600W RMS) D2 OHM SUBWOOFER - Down4Sound Shop