Used Seymour Duncan SFX04 Twin Tube Mayhem Distortion Effect Pedal

Used Seymour Duncan SFX04 Twin Tube Mayhem distortion pedal in good condition, delivering high-gain tube-driven grind with the warmth and punch of real 12AX7 circuitry. Dual-channel design lets you switch between Rhythm and Lead voices for everything from classic crunch to saturated modern distortion. Simple, stage-ready controls for Gain, Level, and EQ shaping make dialing in tones fast and intuitive. Rugged metal enclosure with standard 1/4" input/output and 9V DC power.