Constant Q Circuitry with a 3% Center Frequency Accuracy Selectable Boost Range +/-6 dB or +/-12dB High Pass Filter 40 Hz (12dB per Octave) Low Pass Filter 16kHz (12dB per Octave) Variable Input Level Clip LED Indicator Bypass Switch Automatic Bypass when Power Off Active Balanced XLR & TRS Ins & Outs Unbalanced RCA Inputs & Outputs Ground/Lift Switch Single Rack Space Unit 110/220 Voltage Switchable Dimensions: 19.0'' x 8.66'' x 1.75'' Sold as: Unit