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: 2 x 15 Subwoofer 2000W Single 4 Ohm Bass Pro Car Audio American Bass DX-15 : Electronics
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
18 Inch Subwoofer 2000 Watt RMS 4 Ohm | Black Liberty Record
EXL XX 12" High Excursion Subwoofer 2000 Watts Rms DVC 4-Ohm