Electro-Harmonix Pitch Fork Polyphonic Pitch Shifter Pedal Brand_Planet Waves  Takes a 9v power

  Takes a 9v power supply

but prolong your string life

and filter controls

10mm thick padding for sufficient protection against bumps

Electro-Harmonix Pitch Fork Polyphonic Pitch Shifter Pedal Brand_Planet Waves  Takes a 9v powerPITCH FORK POLYPHONIC PITCH SHIFTER Powerful pitch shifting over + 3 octaves with Dual mode and optional expression control! The EHX Pitch Fork transposes an instruments pitch over a + three octave range and features three modes which allow the pitch to be transposed up, down or both, simultaneously. The pitch shift amount can be set to a fixed interval or continuously varied by an expression pedal or control voltage. The controls are straightforward