Description

Used Donner Harmonic Square Effect Pedal in great condition, delivering bold harmonic textures and synth-like square-wave character for guitar or bass. Compact, pedalboard-friendly metal housing with standard 1/4" input/output and simple knob controls for quick tone shaping. Runs on 9V DC (center-negative) power for reliable performance on stage or in the studio. A versatile creative effect for adding grit, edge, and unique harmonic color to your signal.

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