Used Seymour Duncan SFX04 Twin Tube Mayhem Distortion Effect Pedal

Used Seymour Duncan SFX04 Twin Tube Mayhem distortion pedal in excellent condition, powered by twin 6021 micro tubes for authentic high-gain, tube-driven tone. Featuring a 3-band EQ and true bypass switching, it's designed for metal and heavy rock players seeking aggressive sound and clarity. Ruggedly built with intuitive controls for Gain, Level, Bass, Mid, and Treble, this pedal delivers rich harmonics and powerful distortion suitable for both stage and studio use.