Take your car, marine, or ATV audio to new heights with the awesome power and performance of a subwoofer that isn't afraid to get a little wet the Polk Audio DB+ 8 Inch 750 Watt 4 Ohm DVC Marine Subwoofer. This subwoofer features a low profile design for more bass in less space, as well as Dynamic Balance technology, a IP56 marine rated design, a UV resistant polypropylene cone, and a waterproof santoprene surround. Boasting 250 watts of RMS power, frequency response of 30Hz 200 kHz, impedance of 4 ohms, and sensitivity of 84 dB, you can count on this sub to deliver consistent, powerful bass every time.