Check the listing for details. EarthQuaker Devices Rainbow Machine V2 Polyphonic Pitch-shifting Modulator Pedal. Condition: New. Listed at 229.00 USD. Like Nothing Else Out There The Rainbow Machine V2 from EarthQuaker Devices empowers guitarists to defy convention and explore otherworldly sounds that are often very un-guitar-like. This second-generation model adds Flexi Switch relay-based switching, which gives you access to either momentary or latching operation for both footswitches. This polyphonic pitch-shifting modulator pedal creates soundscapes that wash your sound in harmonic movement. And the selectable Magic control takes the pitch-shifting effects into totally new sonic territory. By EarthQuaker Devices' own admission, the Rainbow Machine V2 is for "experimenters, adventurists, and noisemakers.