FEATURES 7-Band Parametric Equalizer With Built in Subwoofer Cross Over Seven Parametric Equalization Bands (50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6KHz and 16kHz)Variable Subwoofer Output with Built-in 18dB per Octave selectable at 60Hz or 90HzThree Stereo RCA Outputs: front, rear and subwooferAuxiliary Stereo RCA Input on Rear as well as a MP3 Input on the Front PanelMaster VolumeVariable Subwoofer Output ControlIlluminated ControlsBalanced RCA Inputs