10″ Slim Woofer Low-Level RCA Input High-Level Speaker Line Input Blue LED Power Status Indicator Red LED Protection Status Indicator Remote Bass Boost Level Control Delay Remote Turn-On Thermal Short and Overload Protection CircuitsWhat’s in the Box: Amplified Subwoofer Remote Subwoofer Level Control Remote Subwoofer Control Cable Hi-level Input Wire Mounting Hardware Technical Specs: Phase Shift Switch: 0 or 180° Adjustable Input Sensitivity: 0.12V-3.5V 0 to 12dB Variable Bass Boost (@50Hz) Low Pass Filter (50-150 Hz) Fuse: 1x25A Max Power: 900 watt RMS Power: Amplifier: 100Watt @ 4 ohm 1%