DUAL ALB10 300 Watt Powered 10" Car Audio Subwoofer in Ported Sub Enclosure Box | Audio Savings
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
Rockville RV1212P Dual 12" 1200w Car Audio Subwoofers in Vented Sub Enclosure Box - Rockville Audio
Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
2) 12" RI Audio Subwoofer 1800 Watts Max Dual 4 Ohm Energy Series Car Audio | eBay
BOSS Audio Systems CXX124DVC Chaos Exxtreme Series 12 Inch Car Audio Subwoofer - 1200 Watts Max, Dual 4 Ohm Voice Coil, For Truck, Boxes and Enclosures, Use With Amplifier