Used MXR M103 Octave Blue Box Effect Pedal

The used MXR M103 Blue Box Octave Fuzz Pedal delivers gnarly fuzz and a raw-sounding two-octave-down effect for a truly unique tone. Housed in a rugged blue aluminum chassis and in excellent condition, this analog pedal features simple controls—Output and Blend—for dialing in the perfect amount of fuzz and octave blend. Loved by guitarists for its bold, experimental sound, the Blue Box is perfect for players seeking vintage-inspired tonal madness with reliable performance.