Get Eddie Van Halen’s classic chorus sound suped up for modern rig flexibility. The EVH 5150 Chorus is based on a legendary chorus unit that Eddie Van Halen used to add texture and dimension to some of his most classic recordings from the early 1980's. It has a simple three-knob setup - Volume, Tone, and Intensity - With input and output level pad switches, mono and stereo outputs, and an internal true/beffered Bypass switch for modern rig flexibility. Combine this pedal with the 5150 Overdrive for huge sound that's thick and chewy. This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included). Controls OUTPUT LEVEL- switch pads output signal level for unity throughout gain with various input signal levels MONO - output provides wet/dry mix (standard operation) or 100% dry signal (stereo operation) INTENSITY - knob sets amount of chorusing STEREO - output provides 100% wet signal TONE - knob shapes EQ of effect VOLUME - knob sets overall volume of effect INPUT LEVEL - switch pads input signal level for optimum signal-to-noise performance with various input signal levels FOOTSWITCH - toggles effect on/bypass (blue LED indicates on) Specs Input Impedance 470KΩ Output Impedance 4.7kΩ Noise Floor 89dBV Controls Input Level -20dB, -35dB, -50dB Treble +12dB, -16dB, 60kHz Output Level -20dB, -35dB Bypass True/Buffered Current Draw 95mA