For high quality subwoofer sound for every kind of vehicle, pick up the Polk Audio 12 Inch Single Coil Marine Subwoofer. This subwoofer has a universal fit, which allows it to be built in to your car, motorcycle, ATV, or boat. And whether you're off roading or enjoying a day on the lake, your speakers will be kept safe and protected with waterproof Santoprene Surround. With 1110 watts of power, this subwoofer delivers quality audio for whatever song you're jamming to. The Polk Audio 12 Inch Single Coil Marine Subwoofer gives you great sound, no matter where you're listening from.