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.