Features: – 8″ 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 Circuits What’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: 600 watt – RMS Power: Amplifier: 90Watt – Slim woofer: 100Watt – Product Dimension: 12.8″ x 9.5″ x 3″ -inches