Kicker CompRT Single 12 Inch 1000 Watt Max Dual 2 Ohm Shallow Slim Car Subwoofer Complete your car stereo system with this Kicker 12-inch CompRT subwoofer. The weatherproof design makes this audio accessory ideal for use with sports cars, ATVs and motorcycles, and the slim form factor fits neatly in your available space. With a dual voice coil design, this Kicker 12-inch CompRT subwoofer delivers flexible wiring and setup options.