Used MXR M103 Octave Blue Box Effect Pedal

Experience unique, gritty fuzz and deep octave effects with this used MXR M103 Blue Box Octave Fuzz pedal in excellent condition. It combines fuzz distortion with a two-octave-down signal blend, creating a wild, synth-like tone. Featuring simple controls for Output and Blend, it’s perfect for guitarists seeking vintage-inspired chaos. Housed in a rugged blue metal chassis, this pedal delivers bold, unmistakable character with true analog circuitry and a distinct sound that stands out in any setup.