Two Kicker KM10 10-inch (25cm) Weather-Proof Subwoofer for Enclosures, 4-Ohm - The KICKER KM 10-inch Marine Subwoofer makes waves of its own in a sealed or ported enclosure. Made to take the power and the weather, this sub is custom made to bang in your boat. Completely weather-resistant, these marine subs are real-world tested for salt/fog and UV exposure, meeting or exceeding ASTM standards for marine durability. A completely sealed motor structure and locking/sealed terminal cover make it splash-proof for long life, while a tough Santoprene surround and marine-grade polypropylene cone pump out the bass, no matter how long or loud the party lasts. Packed with features and made for specifically for marine use, KICKER gives you the deep, loud bass your boat needs. Features - Two-Ohm Voice Coil Injection-Molded Polypropylene Cone Co-molded Santoprene Surround UniPlate Back Plate And Pole Piece Thick Tinsel Leads Large Ceramic Magnet Rear Gasketing Included Polymer Basket Resists Corrosion Protective Terminal Cap Stainless Mounting Hardware Included Meets or Exceeds ASTM Standards for UV and Salt/Fog Exposure Two SSV Works US-10U Universal 10" Subwoofer Enclosure - The 10" Universal Sub Box Enclosure is the perfect solution when you're in need to add bass to your ride. White Grille