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
JBL 1000 watts dual CS12 subwoofer and box - 2 x CS12 + BX212 from JBL
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
PLANET AUDIO PX12 12� 1000 Watt Flat Car Subwoofer, Single 4 Ohm Voice Coil - Walmart.com