Blaupunkt Blue Magic XLf 200 A 300-Watt 8-Inch Low Profile Active Subwoofer System 8-Inch Low Profile Preloaded Active Subwoofer System 300 Watts Peak Power, 150 Watts Rated Power Spun Paper Cone Amplifier: Class D, Variabale Low Pass Filter: 50-150Hz, Inputs: RCA and High Level Sensitivity: 92dB