Used MXR blue box Effect Pedal

The Used MXR Blue Box is a classic analog fuzz/distortion pedal with a built-in two-octave-down signal generator for rich, synth-like tones. Known for its fuzzy growl and unpredictable charm, it features simple controls for Output and Blend, offering a wide range of gritty textures. This unit is in good condition and operates with a standard 9V battery or adapter. Ideal for guitarists seeking vintage-style fuzz with a unique, octave-driven twist.