Amazon.com: Gravity 1x 10 Inch 2000 Watt Car Audio Subwoofer w/ 4 Ohm DVC 10" Sub - Single - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics
Pioneer TS-D12D2 D Series 12-Inch 2000-Watt 2-Ohm Dual-Voice-Coil Subwoofer - Walmart.com