Used Donner HARMONIC SQUARE Effect Pedal

Used Donner Harmonic Square Pitch Shifter Pedal in great condition, offering precise pitch shifting with 7 shift options and 3 tone modes (Sharp, Detune, Flat). Features true bypass, compact aluminum alloy body, and simple controls for Blend, Key, Shift, and Mode. Ideal for guitarists seeking creative harmonies or innovative sound layering. Runs on standard 9V DC power supply (not included). A reliable, pedalboard-friendly tool for expanding your tonal possibilities.