The Pyle PLMRDW124 12" 1000 Watt 4 Ohm marine subwoofer (White) has been specially designed for marine applications - so you can rock hard on land or at sea! The 12" 1000-watt subwoofer is water-resistant with a two-way attachable grille. It's powered by an 80 oz. magnet structure with 2" high temperature TIL voice coil for a frequency response of 28 Hz to 2.5 kHz. Santoprene surround keeps your sound distortion-free and extends the life of your product.