Electro Harmonix Pitch Fork Polyphonic Pitch Shifter

Pitch Fork pedal polyphonic synthesizer. Pitch over a +/- three octave range and features three modes which allow the pitch to be transposed up, down or both simultaneously.
11- position shift knob selects the transposition interval-
EXP input controls pitch shift amount.
The Pitch Fork comes equipped with an EHX 9.6DC-200mA power supply and also runs on a 9Volt battery.