DS18 WAVESSUB10 350 Watts 10-Inch Waterproof Marine Subwoofer Speakers 10" Marine Subwoofer Completely Waterproof for Marine or Car Use Polypropylene Cone with Rubber Edge, Molded ABS Plastic Baskets 350 Watts Max Power, 150 Watts RMS Power 30 Oz. Magnets, Frequency Response: 30Hz-4KHz Impedance: 4-Ohms, Sensitivity: 91dB, Dimensions(mm): D268, H150