Kicker 45KM102 10" 2-Ohm Marine Subwoofer The KICKER® KM 12-inch Marine Subwoofer makes serious bass in a sealed or ported enclosure. Made to take the power and the weather, this sub is custom made to bump in your boat. Marine Material Completely weather-resistant, these 10 and 12-inch marine subs are real-world tested for salt/fog and UV exposure, meeting or exceeding ASTM standards for marine durability. Bass That Lasts A completely sealed motor structure and locking/sealed terminal cover make