Used MXR M103 Octave Blue Box Effect Pedal

The used MXR M103 Blue Box Octave Fuzz pedal is in great condition and delivers a unique combination of fuzz and a two-octave-down signal for a thick, synth-like tone. With simple controls for Output and Blend, this analog pedal offers gritty distortion and unpredictable character that’s perfect for experimental guitarists. Powered by 9V battery or adapter (not included), it's a classic addition to any pedalboard looking to add vintage octave fuzz sounds.