Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
MASSIVE AUDIO 12" 6,000 Watts RMS Dual 1 Ohm Mega Subwoofer. CAR AUDIO BOA121 - Cyberstore
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
Massive Audio HIPPO XL 84 XL Series 1400 Watt 8" Dual 4 Ohm Car Audio Subwoofer | eBay