Kenwood KFC-1653MRW 6.5andquot; Two-Way Marine Speakers with 1andquot; balanced dome tweeter and polypropylene injection cone woofer. Full-range speakers include water-resistant cone for marine environments. 4 ohm nominal impedance. 150 watts peak power. 30-watt rated input power. 60 Hz - 20 kHz frequency response provides exceptional clarity of sound. Cutout: 5-1/8andquot; dia. Mounting depth: 2-7/16andquot;.