Kicker CompVR 07CVR84 8-Inch 4-Ohm DVC Subwoofer 8-inch CompVR Subwoofer with 4-ohm impedance Injection-molded cone with 360-degree back bracing and aluminized coating; ribbed Santoprene surround 200 Watts RMS (400 Watts peak) power handling 30-500 Hz frequency response One-year limited warranty