The Boss Waketower 2-Way Speaker System is built to deliver superior performance in the toughest conditions. With polypropylene cones and rubber surrounds, the Boss Speaker System is impervious to moisture. You can trust that a blast of salt water will not hurt these 6.5 marine speakers. The Boss Waketower 2-Way Speaker System also features a protective coating to block UV rays. The Boss Speaker System maintains material integrity to fully protect the speakers from all weather conditions. The Boss Waketower 2-Way Speaker System delivers the high-quality sound you enjoy to make your boating trip more memorable. Boss 6.5" 2-Way Waketower Speaker System: * Power handling, peak: 500W * Impedance: 4 ohms * Frequency response: 60Hz-20kHz * Sensitivity: 94dB * Cone material: poly-injection * Voice coil 1 1/4" KIESV * Tweeters 1" bullet * Midrange: 6"