Pyle-Pro PPDLC1 Super Guitar Chorus Effect Pedal with Depth, Speed, And Level Controls Generates A Beautiful, Thick Chorus Effect With An Amazing Sound Depth, Speed, And Level Controls Allow You To Fully Customize The Effect - Current Draw: 14ma(DC 9V) Normal Input Level: -20dbu - Residual Noise: -105dbu (IHF-A, Typ.) Input Impedance: 1M? - Controls: Pedal Switch, Effect Level, Rate, Depth Normal Output Level: -20dbu - Power Supply: DC 9V; AC Adaptor Output Impedance: 10K?