Amazon.com: Gravity 1x 12 Inch 2000 Watt Car Audio Subwoofer w/ 2 Ohm DVC Power 12 in. Sub - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
Amazon.com: Massive Audio KILOX124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1000 Watt RMS, 2000w MAX Dual 2 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics