Used MXR M103 Octave Blue Box Effect Pedal

Add unique analog textures to your tone with this used MXR M103 Blue Box Octave Fuzz pedal, in great condition. It combines heavy fuzz with a two-octave-down signal, creating aggressive, synth-like sounds. Controls include Output and Blend for customizing your mix. Housed in a durable blue chassis, it’s perfect for guitarists seeking vintage-inspired, experimental tones. True bypass ensures your signal stays pure when off. Runs on a 9V battery or external power supply.