Description

Used Donner HARMONIC SQUARE Effect Pedal in good condition, ready to add rich harmonic texture and synth-like color to your tone. This compact, pedalboard-friendly unit delivers bold, musical harmonics with simple, intuitive controls for quick dialing-in on stage or in the studio. Standard 1/4" input and output jacks provide easy integration with guitar, bass, or other instruments, and it runs on 9V DC center-negative power for reliable performance.

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