Used MXR M306 Poly Blue Octave Effect Pedal

Used in excellent condition, the MXR M306 Poly Blue Octave Effect Pedal delivers classic and modern octave tones with polyphonic tracking, fuzz, and modulation all in one unit. Featuring four separate octave voices—sub, sub-2, above, and above-2—it offers extensive control and stereo output. True bypass and a rugged, compact design make this pedal a versatile choice for guitarists and bassists seeking rich, layered tone-shaping capabilities.