The Electro-Harmonix Micro Clone Theory Stereo Chorus Effects Pedal resurrects the popular Clone Theory Chorus/Vibrato pedal as part of the Electro-Harmonix XO die cast series. Now in stereo and a much smaller, improved housing, the Micro Clone Theory Stereo Effects Pedal features the same features and controls that so many guitarists loved and relied on to ring out lush, sparkling washes of tone from the original. Controls include Chorus/Vibrato mix, Rate, and Depth.Controls: Chorus/Vibrato mix Rate Depth