Donner Harmonic Square Pedal

Donner Harmonic Square is a compact digital octave and pitch-shifting pedal designed to add rich harmonic layers to your guitar tone. With 7 pitch shift types and a 3-mode toggle (Sharp, Flat, Detune), it delivers up to 21 creative sound variations, from tight harmonies to dreamy detuned textures. Independent Wet and Dry controls allow precise signal blending, while true bypass and a rugged metal housing ensure reliable performance on any pedalboard.

• Donner Harmonic Square Pedal

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• 7 pitch shift types delivering octave and harmonic effects
• 3 sound modes (Sharp, Flat, Detune) for expanded tonal variety
• Up to 21 sound combinations for creative pitch shaping
• Independent Wet/Dry controls for precise effect blending
• Digital pitch-shifting engine with clear, stable tracking
• True bypass switching for pure signal integrity
• Rugged metal housing built for pedalboard durability
• Compact design ideal for space-saving setups