Front: 50- 800Hz Rear: 50- 800Hz Frequency Multiplier: x1/x10 Sub: 50- 160Hz Sub Boost: - 12 dB Boost Frequency: 40 120Hz Phase Control Mono/Stereo Independent Level ControlsMountable bass knob included Dual Input Switch Subwoofer Stereo/Mono Switch Left/Right Dual Input/Output Subwoofer Frequency Selector Rear Channel Output Gain Control Subwoofer Output Level Remote Control Terminal Bass Boost Level and Frequency Controls Phase Inverter Dimensions:6-7/8"w 7-1/2"l 1-3/8"h