Used MXR M103 Octave Blue Box Effect Pedal

Add massive low-end growl and gritty vintage fuzz with this Used MXR M103 Octave Blue Box in Good condition. It delivers a raw fuzz tone blended with a -2 octave sub signal for huge, synthy riffs and thick leads, with simple Output, Blend, and Fuzz controls for fast dialing. Built in a rugged MXR enclosure with true bypass switching, it runs on a 9V battery or standard 9V DC adapter for dependable stage and studio use.