Used MXR M103 Octave Blue Box Effect Pedal

Create massive, synthy low-end with this used MXR M103 Octave Blue Box in great condition. It blends your clean signal with a fuzzed two-octaves-down tone for thick riffs, leads, and octave dive bombs that cut through any mix. Simple controls for Output and Blend make dialing in everything from subtle reinforcement to full-on glitchy doom fast and fun. Rugged MXR housing with standard 1/4" input/output and 9V DC power.