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
JL Audio 12TW3-D4 | 400W 12" 4-ohm Shallow Mount Subwoofer