Alpine SWR-M100 10 Inch 900 Watt 4 Ohm Marine Subwoofer
Brand New Alpine SWR-M100 10" 900 Watt 4 Ohm Marine SubwooferFeatures:    10" Single 4 ohm Marine Subwoofer    Impedance: Single 4 ohms    Injection molded polypropylene cone woofer    Santoprene rubber surround    High excursion for deep high output bass    Infinite baffle design for widest application    High AMplitude Multi-Roll (HAMR) surround    CRC motor structure    Thermal management system    Integrated insert and spade terminals    Hidden screw mounting and grille design    Waterproof rubber mounting gasket included    Progessive NOMEX spider    4-Layer single 4 ohm copper wire on TIL former voice coil