BOSS Audio BASS1000 1000 Watt Low Profile Amplified 8 Inch Subwoofer with Remote Subwoofer Control Full Range Class A / B Built-in Amplifier, Pulse Width Modulation (PWM) MOSFET Power Supply High / Low Level Input, LED Power Status Indicator, Phase Switch Adjustable Input Sensitivity, Variable Bass Boost, Phase Switch Adjustable Input Sensitivity, Variable Bass Boost, Subsonic Filter Low Pass Filter, High Pass Filter, Soft Remote Turn-on, Blue Illumination Thermal, Short and Overload Protection Dimensions: Depth 13.5 x Width 9.8 x Height 3.3 3 Year Platinum Online Dealer Warranty