MB Quart Subwoofer With Amp Polaris RZR / Pro / XP The MB Quart Subwoofer Kit offers a straightforward installation process, pumping out 400 watts of dynamic bass power. Featuring a 10 subwoofer with an Ip67 marine-grade certification and an amplifier with an Ip65 rating, this kit guarantees robust durability and superior low-frequency sound performance across any terrain. Designed to fit discreetly under the dash, it comes complete with all necessary mounting hardware. Includes: Subwoofer: dual voice coil 10 inch subwoofer High impact Hdpe composite enclosure Fits perfectly under front passenger seat and features extra storage pocket Amplifier Na2-400.1: High efficiency, Class D 400 watt mono subwoofer amplifier Specifications: 10 inch speaker diameter 4 ohm Total System Power: 400 watts Weight24.1lbs Dimensions18.75 17.5 20.0 Warranty 1 year IPX Rating Ipx5 (amp), Ipx67 speaker Sold each Features: Under dash design with mounting hardware included Marine grade protection / IPX rated Engineered specifically for UTV applications Torture tested to be as reliable as it can be in such a harsh environment Subwoofer is Ipx67 rated Amplifier is Ipx5 rated Class D amplifier Waterproof connectors with pre-measured wires No guesswork, no installation mistakes Only standard hand tools are required