Kicker SoloX Series L7X 12" 2000 Watt RMS Dual 3" VC Subwoofers — Big Jeff Online Inc
American Bass 12" 1000 W Subwoofer Dual 2 Ohm Voice Coil XD Series — Big Jeff Online Inc
Black Diamond 15" Subwoofer 4-Ohm Svc 600 Watts DIA-15S — Big Jeff Online Inc
Amazon.com: Gravity 2X 12 Inch 2000 Watt Car Audio Subwoofer w/ 2 Ohm DVC 12 in. Sub - Pair - Feature Dual Voice Coil, Thick Magnet, Design for Car, ATV, Van, High Performance Car Show : Electronics