JL Audio 12W3V3-4 12inch 4-ohm 1000 Watts Max Power Car Subwoofer

W3v3 Series 12 4-ohm subwoofer. Mineral-filled polypropylene cone with nitrile-butylene rubber surround. Power range: 100-500 watts RMS. Sealed box volume: 1.125 cubic feet. Ported box volume: 1.75 cubic feet.