MXR M68 Uni-Vibe Chorus / Vibrato Pedal

With its simple three-knob interface you can dial in the effect to your taste in short order. First use the VIBE switch to select either Chorus Mode-dry signal mixed with pitch-shifted signal-or Vibrato Mode-only pitch-shifted signal. Then use the LEVEL control to set the effect volume the SPEED control to set the sweep rate and the DEPTH control to set overall intensity.