Used MXR M103 Octave Blue Box Effect Pedal

Discover the distinctive character and proven reliability of this used MXR M103 Blue Box Octave Fuzz pedal, fully functional and in excellent condition. Renowned for its bold analog fuzz and sub-octave tones, this pedal blends rich, buzzy distortion with a two-octave-down signal to deliver a thick, synth-like sound—ideal for players looking to add unique textures to their tone. With easy-to-use Output and Blend controls, it offers versatile sound shaping in a sturdy, iconic blue chassis built to withstand years of use. Whether you're on stage or in the studio, this pedal provides dependable performance and creative inspiration, making it a trusted choice for musicians who value both tone and durability. Powered by a 9V battery or standard 9V DC adapter (not included), the MXR Blue Box remains a favorite among tone seekers, from experimental artists to rock legends like Jimmy Page.