Used Electro-Harmonix Big Muff DUEL OP AMP Effect Pedal

This Used Electro-Harmonix Big Muff DUEL OP AMP fuzz pedal in Excellent condition delivers legendary, aggressive sustain and rich distortion with dual selectable op-amp Muff voicings for versatile tones. Built in a rugged metal chassis, it features intuitive controls for Volume, Tone, and Sustain plus mode switching for quick sound changes. Standard 1/4" input/output jacks integrate easily with any guitar rig, and it runs on 9V DC power for pedalboard-friendly use.