Harmonic Square Guitar Pedal By Donner

Harmonic Square

Pedal Manufacturer



The Donner Harmonic Square is an octave pedal with seven modes effect and a three-way toggle switch that allows you to choose from Sharp, Detune, or Flat modes. The pedal also consists of Dry and Wet knobs which you can tweak to select the dry signal level and control the harmonic signal level respectively. Packaged in a sturdy, aluminum-alloy enclosure, the Harmonic Square includes an LED indicator displaying the working state, digital circuit design, and true bypass producing a transparent tone.

1. Input: 1/4″ Monaural Jack
2. Output: 1/4″ Monaural Jack
3. Power Supply: DC 9V (Negative in the center)
4. Working Current: 110mA
5. Dimensions: 95(D) * 45(W) * 48(H)mm
6. Weight: 250g (With box)

- Do not use the pedal in high temperature, high humidity, or subzero environments.
- Do not use the pedal in direct sunlight.
- Please do not disassemble the pedal by yourself.
- Keep the manual for future reference.

Package included:
1 x Donner Octave Square Pedal
1 x User’s Manual

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