Used MXR M103 Octave Blue Box Effect Pedal

Add unique depth and character to your tone with this used MXR M103 Octave Blue Box effect pedal in great condition. It delivers a fuzzed-out distortion and adds a two-octave-down signal for wild, synth-like sounds. Featuring simple controls for output and blend, this compact pedal offers classic analog circuitry and rugged MXR build quality. Perfect for guitarists seeking vintage-inspired textures and experimental tones, the Blue Box is legendary for its unmistakable, unpredictable charm.