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Arrives: July 13 - 16 Details
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Donner Digital Octave Guitar Effect Pedal Harmonic Square 7 modes

by Donner
4.3 out of 5 stars 315 ratings
Amazon's Choice recommends highly rated and well-priced products.
Amazon's Choice for "octave pedal"

Price: $45.00 & FREE Shipping. Details & FREE Returns
Return this item for free
  • Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition and get a full refund: no shipping charges
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  • 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)

Frequently bought together

  • Donner Digital Octave Guitar Effect Pedal Harmonic Square 7 modes
  • +
  • Donner DPA-1 Pedal Power Supply Adapter 9V DC 1A Tip Negative 5 Way Daisy Chain Cables for Effect Pedal
  • +
  • Donner 6 Inch Guitar Patch Cable Black Guitar Effect Pedal Cables (6-Pack)
Total price: $72.98
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Product Description

Harmonic Square Features

  • Power Supply:DC 9V(Negative in the center).
  • Toggle switch: Select between different modes.
  • WET Knob:Control the harmonic signal level.
  • DRY Knob:Control the dry signal level.
  • Modes Knob:For selecting the types of effects.
  • Input & Output Jack:1/4’’ mono audio jack.
  • LED Light:LED indicator shows the working state.
  • Full metal shell:Aluminum-alloy classic, stable and strong.
  • True Bypass:True bypass for zero tone coloration.

Good Octave Tone | Easy to Control | Classic Design

This is a wonderful pedal. Digital circuit design, and variety of octave effect adds musical color to you tone. 7 different modes: ±2 semitones, ±3 semitones, ±4 semitones, ±5 semitones,  ±7 semitones, ±12 semitones, ±24 semitones, LED indicator shows the working state

There are two function knobs, namely WET and DRY. 3 way toggle switch select between different modes. 7-Mode octave effects you can choose. Control two function knobs and choose different model you want to made you own music tone. Enjoy your own fun and colorful life.
 

As you can see, Harmonic Square have a novel design logo, classic mini size, convenient and durable. 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


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Warranty & Support

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Customer Questions & Answers

Customer reviews

4.3 out of 5 stars
4.3 out of 5
315 customer ratings
How does Amazon calculate star ratings?
Reviewed in the United States on February 23, 2018
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31 people found this helpful
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Reviewed in the United States on February 3, 2019
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19 people found this helpful
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Reviewed in the United States on November 6, 2018
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14 people found this helpful
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Reviewed in the United States on March 8, 2018
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7 people found this helpful
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Top international reviews

"timdreid"
5.0 out of 5 stars Very impressed by the lower octaves
Reviewed in the United Kingdom on May 11, 2019
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18 people found this helpful
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Mr M Taylor
4.0 out of 5 stars Octaver on a budget that's nuce
Reviewed in the United Kingdom on July 27, 2019
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18 people found this helpful
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Usky
5.0 out of 5 stars A budget Pitch Shifter that’s hard to beat!
Reviewed in the United Kingdom on March 15, 2020
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Emily
5.0 out of 5 stars Solid build. A lot of fun
Reviewed in the United Kingdom on March 30, 2020
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Marco772
5.0 out of 5 stars Good fun and lots of sounds!
Reviewed in the United Kingdom on May 2, 2020
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Growler
5.0 out of 5 stars Very impressed
Reviewed in the United Kingdom on March 18, 2020
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Mr Quist
5.0 out of 5 stars Great Fun
Reviewed in the United Kingdom on March 17, 2020
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Nate
5.0 out of 5 stars Super versatile pedal, great value for money!
Reviewed in the United Kingdom on March 13, 2020
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Missy T.
5.0 out of 5 stars Incredibly versatile pedal
Reviewed in the United Kingdom on March 15, 2020
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Daniel Corbett
5.0 out of 5 stars Wow!!!
Reviewed in the United Kingdom on March 16, 2020
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Commander Bod
1.0 out of 5 stars Doesn't do what it should
Reviewed in the United Kingdom on May 4, 2020
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T R Pollard
2.0 out of 5 stars It shifts
Reviewed in the United Kingdom on July 8, 2019
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Joseph Robertson
5.0 out of 5 stars Currently my favourite pedal in my collection
Reviewed in the United Kingdom on December 31, 2018
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2 people found this helpful
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jobee62
5.0 out of 5 stars Sturdy
Reviewed in the United Kingdom on November 27, 2019
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Amazon Customer
5.0 out of 5 stars Cheap as chips and a really good pedal. Buy one.
Reviewed in the United Kingdom on February 8, 2020
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