Used Donner HARMONIC SQUARE Effect Pedal

Discover inspiring pitch-shift textures with this used Donner HARMONIC SQUARE effect pedal in good condition. Designed for guitar and bass, it delivers rich harmonies and octave-style voices with simple, stage-friendly controls for fast dialing of unique sounds. Compact and pedalboard-ready, it features a rugged metal enclosure, standard 1/4" input/output jacks, and runs on a 9V DC center-negative power supply. A great value for modern harmonic effects.