Rockville DV12K6D1 Dual 12" 4800w Car Audio Subwoofers Plexi Sub Enclosure Box - Rockville Audio
Amazon.com: New Dual DLS12 12-Inch 875 Watts 4-Ohm Car Audio Power Subwoofer Sub DLS-12 : Electronics
Amazon.com: Rockville W12K6D4 V2 12" 2400w Peak Car Audio Subwoofer Dual 4-Ohm Sub 600w RMS CEA Rated : Electronics
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
Amazon.com: New Dual DLS12 12-Inch 875 Watts 4-Ohm Car Audio Power Subwoofer Sub DLS-12 : Electronics