Pyle-Pro PPEQ86 Dual Channel 12 Band Graphic Equalizer Constant Q Circuitry with a 3% Center Frequency Accuracy - Variable Input Level Controls - Dual Blue LED Level Meters Variable Meter Sensitivity - Post/Pre Switch - Source Selector Red Illuminated Power Switch - Line 1/Line 2 and Tape RCA Inputs - Line and Tape RCA Outputs Ground/Lift Switch - Rack Mountable 110/220 Voltage Switchable - Dimensions: 19'' x 5.2'' x 7.4'' e