Amazon.com: Dual Electronics BP1204 High Performance 12 inch Car Audio Subwoofers in a Tuned Bandpass Enclosure with Blue illumiNITE LED Illumination and Plexiglass Viewing Windows and 1,100 Watts of Peak Power : Electronics
Amazon.com: Hifonics THW12D4 Zeus Theta Series 1000 Watt Max 500 Watt RMS 4 Ohm 12 Inch Car Audio Subwoofer with 2.5 Inch Dual Voice Coils, Black : Electronics
Kicker 43CWRT121 CompRT 1,000 Watt 12 inch Shallow Mount Subwoofer - Dual 1 Ohm Voice Coil
Best Buy: Massive Audio Massive GTX Series 12-Inch 1,000-Watt-RMS Dual 4-Ohm Subwoofer Black Black GTX 124R