Electro-Harmonix BIG MUFF Pi Harmonic Distortion-Sustain Fuzz Pedal

The BIG MUFF Pi Harmonic Distortion-Sustain Fuzz Pedal from Electro-Harmonix is designed for the electric guitar player. It has three controls that let you dial in fine harmonic distortion/sustain. The Volume control adjusts the output level. The Sustain control optimizes the long sustain, and the Tone control provides a range of sounds, from warm bass to crisp treble.