45KMF102 [Used]

The KICKER 45KMF102 is a 10 inch marine subwoofer built to run free air, meaning it produces real low end without needing a sealed or ported box behind it. Rated at 175W RMS and 350W peak with a 2 ohm voice coil, it uses an injection-molded polypropylene cone with a co-molded Santoprene surround to resist water absorption and UV breakdown over time. A UniPlate back plate and pole piece, a large ceramic magnet, and thick tinsel leads support consistent output, while a polymer basket resists corrosion in salt and fresh water alike. A protective terminal cap and stainless mounting hardware round out the build, and the sub meets ASTM standards for UV and salt fog exposure, matching the demands of an open boat. Frequency response runs from 30 Hz to 500 Hz, with a 5 inch mounting depth and a 9.19 inch mounting hole, fitting most factory free-air cutouts without modification. For anyone who wants deeper bass on a boat without giving up storage space to an enclosure, this subwoofer is a straightforward drop-in option.