DESC: Full Din Size 7 Band Graphic Equalizer 12dB Boost/Cut Power On/Off and Bypass Switch Multicolor Power Level Spectrum Analyzer 150 Watts x 2 Maximum Output 2 or 4 Speaker Hook up Sliding Volume Controls Rotary Fader Controls Accepts High or Low Level Inputs Floating or Common Ground Compatible Frequency Response:20-20kHz Output Impedance:4 Ohms Front Panel CD Input Jacks For 12V DC Negative Ground System