Used MXR POLY BLUE OCTAVE Effect Pedal

The used MXR Poly Blue Octave pedal delivers rich analog octave tones with polyphonic tracking, featuring mono and poly modes, fuzz, modulation, and a built-in tone knob for shaping your sound. This versatile pedal supports both guitar and bass, offering up to two octaves up and down. In good condition, it’s perfect for players seeking dynamic, layered textures. Powered by a 9V adapter, it fits easily into any pedalboard setup.