Used Electro-Harmonix Hum Debugger Effect Pedal

Tame noisy single-coil hum with this used Electro-Harmonix Hum Debugger in good condition, a compact stompbox designed to reduce 50/60Hz mains hum without killing your tone. It features Normal and Strong hum-cancel modes, true bypass switching, and standard 1/4" input/output for easy integration on any pedalboard. Powered by 9V DC (center-negative) or a 9V battery, it’s a simple, stage-ready fix for cleaner, quieter guitar rigs.