Kicker KM12 12" 4 ohm (45KM124) 350W Max (175W RMS) 12" KM Series Single 2 ohm Marine Subwoofer Product Highlights: -12" marine grade subwoofer designed to handle the elements -Injection-molded polypropylene woofer cone for deep, low bass response and long-lasting performance -Rubber surround for longevity -4-ohm impedance -Up to 175 watts of continuous power handling -Peak power handling: 350 watts -Frequency response range: 30Hz - 500Hz -Sensitivity: 88.1dB -Mounting depth: 5-1/2" -Mounting ho