High Power 8” (200mm) Active Car Subwoofer System, Integrated Class D Digital Amplifier, 75 watts RMS, 200 watts Peak Power, Subwoofer installed in a Bass Reflex enclosure, Spun Paper Cone, Easy Hook Up, Variable -24dB crossover, high level and RCA Input capability, Auto Turn On capability via DC Offset (high level input), perfect for integrating with OE systems.