At 100 Watt total power, the Waterproof Compact Subwoofer supplies a major boost of bass for extra sound and better vibrations. With a 5.25″ cone and dual voice coil, this waterproof subwoofer is a great way to upgrade your sound system in any environment. Waterproof and UV/salt/fog resistant, this small but powerful device makes a great powersport subwoofer, boat subwoofer, or subwoofer for another adventure environment, so the party never has to stop.