Boss Audio Systems 10 in. Dia 800-Watt 4 Ohm Car Audio Power Single Voice Coil Subwoofer CXX10 - The Home Depot
BOSS Audio Systems CXX10 Chaos Exxtreme Series 10 Inch Car Audio Subwoofer - 800 Watts Max, Single 4 Ohm Voice Coil, For Truck, Boxes and Enclosures, Use With Amplifier