2x Gravity 12 Inch 2000 Watt Car Audio Subwoofer w/ 2 Ohm DVC 12 in. Sub - Pair | eBay
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