Used MXR M103 Octave Blue Box Effect Pedal

Add massive low-end growl and glitchy synth-style texture with this used MXR M103 Octave Blue Box in good condition. This compact analog octave fuzz pedal blends your dry signal with a biting fuzz tone dropped two octaves for huge, retro riffs and experimental leads. Simple Level and Blend controls make it easy to dial in everything from subtle subharmonic depth to full-on, square-wave mayhem. Rugged MXR metal housing and standard 1/4" in/out.