BOSS Audio BASS800 800 Watt Low Profile Amplified 8 Inch Subwoofer with Remote Subwoofer Control Class A / B Built-in Amplifier, Pulse Width Modulation (PWM) MOSFET Power Supply High / Low Level Input, LED Power Status Indicator, Subsonic Filter Adjustable Input Sensitivity, Variable Bass Boost, Phase Switch Low Pass Filter, High Pass Filter, Soft Remote Turn-on Thermal, Short and Overload Protection Remote Subwoofer control Dimensions: Depth 14 x Width 9.9 x Height 3 3 Year Platinum Online Dealer Warranty