Donner Harmonic Square

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(1 customer review)

The Harmonic Square from Donner is an octave pedal boasting 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, aluminium-alloy enclosure, the Harmonic Square includes an LED indicator displaying the working state, digital circuit design, and true bypass producing a transparent tone.

Brand: Donner


  • 7 modes effect and 3 way toggle switch select between different modes.
  • Digital circuit design, true bypass provide transparent tone
  • Whole Aluminium-alloy classic, stable and strong
  • LED indicator shows the working state.
  • DC 9V Adapter power supply.(not included)

Details: Product Introduction The New Octave pedal from Donner Company with the name of Harmonic Square, which is also a digital circuit pedal. A variety of pitch shifter effects in the whole Aluminium-alloy stomp box. This is a wonderful pedal. 3 way toggle switch select between different modes. Great tone with the low noise level. There are two function knobs, namely WET and DRY. WET is used to control the harmonic signal level. DRY is used to set the dry signal level. LED indicator shows the working state. True bypass switch lets your instrument’s signal pass through a non-electronic bypass line when the effect is disengaged, feeding your amp with direct, unaltered signal from your instrument. Specifications 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). Precautions Environment: 1. Do not use the pedal in high temperature, high humidity, or subzero environments. 2. Do not use the pedal in the direct sunlight. Please do not dissemble the pedal by yourself. Please keep the manual for future reference. Package included: 1 x Donner Octave Square Pedal 1 x User’s Manual

UPC: 708302989077

EAN: 708302989077

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Based on 1 review

5.0 overall

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  1. Mel

    I’ve been performing with this one for more than two years now, and it has never let me down. The sound quality is phenomenal, and it can alter the pitch of a note by 2, 3, 4, 5, 7, 12, or 24 half-steps up/down.