Top 10 Best harmonizer pedal in 2026

Last Updated - 6/13/2026

🏆Best Choice

Donner

Donner Octave Guitar Pedal, Harmonic Square Digital Octave Mini Pedal Pitch Shifter 7 Shift Types 3 Tone Modes Sharp Detune Flat True Bypass

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•[Octave/Pitch shifter Pedal] With 7 shift types and 3 tone mode toggles, Harmonic Square guitar pedal gives you 21 options of semitonal, octave and detune sounds
•[3 Tone Modes]: 3 tone modes including Sharp, Flat, and Detune; Sharp: Pitch up; Detune: Adjustable pitch signal shifted by 10 cents; Flat: Pitch down
•[WET and DRY Knobs]: WET Knob: Adjust the harmonic signal level; DRY Knob: Adjust the dry signal level
•[Buit to Last]: Whole Aluminium-alloy classic, stable and strong; LED indicator shows the working state
•[True Bypass ]: Digital circuit design, true bypass provides a transparent tone
•[Kind reminder]: Please power the pedal with a 9V DC adapter (NOT Included), center negative polarity, and a minimum of 500mA current for optimal performance

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$55.99

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MOOER

MOOER Harmonizer Guitar Effects Pedal up to 12 Pitches Each Pitch has 11 Harmony Modes Professional Stereo for Electric Guitar and Bass (X2)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•High - quality stereo harmony effect, up to 12 pitches can switch between major mode and minor mode
•Each pitch has 11 different harmony modes
•Individual dry / wet signal adjustment
•Mixed / individual modes for different situations
•Dual - footswitch control for each harmony effect channel

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$101.59

$126.99

-20%

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LEKATO

LEKATO Mini Pitch Shifter Pedal, Harmonizer Guitar Pedal Pitch Shift Box, Harmonizer Digital Octave Drop Pedals, True Bypass, Small Effects for Electric Guitar Bass

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Three Versatile Effects Modes: Harmony, Pitch Shift, Detune. The LEKATO Mini Pitch Box Harmonizer offers three powerful effects: Harmony (shift tones up/down by 2 octaves for rich, layered sounds), Pitch Shift (100% wet output for quick tuning adjustments), and Detune (add subtle, textured variations to your tone). The Drop Pedal is perfect for creating unique sounds.
•Precise Polyphonic Pitch Shifting: Experience accurate polyphonic pitch conversion with the LEKATO Drop Pedal. Designed for ease of use, it delivers full, rich tones for songs and meets all your music customization needs. Whether you're shifting pitch or harmonizing, this pedal ensures studio-quality performance.
•16 Customizable Parameters: With a ±2 Octave Pitch Range, the LEKATO Harmonizer Guitar Pedal lets you adjust pitch to match your personal style and music preferences. Featuring 16 optional parameters, this Digital Octave Guitar Pedal brings endless fun and creativity to music enthusiasts.
•Premium Circuit Design: Built with high-quality electronic components, the LEKATO Pitch Shifter ensures your tone stays clear and pure. Compatible with a DC 9V AC adapter (Center-Negative, Not Included), this mini guitar pedal is perfect for both studio and stage use.
•Mini Portable Guitar Pedal: The guitar harmonizer pedal features a rugged full metal shell design, making it both durable and portable. Its compact size saves space on your pedalboard, while the True Bypass switch maintains a clean, lossless signal path for your electric guitar bass.

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$49.99

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MOOER

MOOER Harmonier Vocal Effects Processor Guitar Voice Pedal Vocal Stompbox Microphone Amplifier for Live Singing Streaming Recording (MVP2)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•12 pitches with 11 different harmony mode high-quality reverb specifically designed for vocal performance.
•Three unique vocaltones settings to choose from. Harmonier provides FLAT, WARM, and BRIGHT,three tone modes for the users to have the best vocal performance.
•Guitar in/out with individual guitar reverb effect, two different output modes for mixed signal or individual signal from guitar and microphone.
•Can be used as a microphone amplifier in the LINE IN, ora traditionalstompbox with VP series pedals.
•Dual-footswitch control, FAVORITE feature for quick preset-recalling. Optional 48V phantom power. Comes with a power supply.

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$169.00

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Camola

Mooer Drop Pitch Harmonizer Guitar Effect Box - MPS1 Octave Pitch Box Guitar Harmonizer Pedal with True Bypass

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•3 Effects Modes: Include Harmony, Pitch Shift and Detune. Harmony: Several tones up and down up to 2 octaves, for a variety of combined sounds. Pitch Shift: a 100% wet output of pitch shift, great for quickly tuning to a different pitch.Detune:a nice way to blend very small variations to your sound.
•Precise Pitch Shifting: The pitch box pedal provide you with precise polyphonic pitch conversion. Easy to operate, it does a pretty good job of getting the full sound of songs and meet certain music customization needs.
•±2 Oct Pitch Range: Guitar Harmonizer Pedal with 16 optional parameters, adjustable pitch according to personal needs and music preferences, MOOER Pitch Shifter bringing more fun to the music enthusiasts.
•Power Requirements: MOOER pitch box shifter compatible with the AC adapter 9V DC (center minus plug),(Not included)Please note that the adapter power supply is NOT Included.
•Mini Portable Guitar Pedal: The guitar harmonizer pedal is durable with full metal shell design, Mini and exquisite,Small pedalboard footprint.True bypass switch fit for electric guitar and bass true bypass.

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$59.99

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BOSS

BOSS Harmonist Guitar Pedal (PS-6), Blue

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Four effect modes in one stompbox: Harmony, Pitch Shifter, Detune, and S-BEND (Super Bend) Easily create two- or three-voice harmonies with selectable key and voicing High-quality pitch shifting Three-voice Detune capability Super Bend provides up to four octaves of extreme pitch bending Control pitch via an expression pedal (optional BOSS FV-500L/H or Roland EV-5)
•Easily create two- or three-voice harmonies with selectable key and voicing
•High-quality pitch shifting
•Three-voice Detune capability
•Super Bend provides up to four octaves of extreme pitch bending

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$147.99

$164.99

-10%

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BOSS

Boss VE-2 Vocal Harmonist Effects Processor

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Battery-powered Ptable Vocal Process with 24 Harmonies
•Additional Studio-style Processing
•Reverb
•Delay

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$259.99

$274.99

-5%

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Stax

Stax Harmonizer Guitar Pedal Digital Guitar Effect Pedal Harmony Pitch Shifter Detune for Electric Guitar Bass Mini Size True Bypass

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•🎸【Harmonizer Guitar Effects pedal】The guitar pedal supports 3 Effects Knobs and 1 Switch are accurate and high sensitive.
•🎸【Wide Adjustable Range】The adjustable range of Detune Mode is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.
•🎸【3 Effects Modes】This guitar pedal is equipped with 3 effects modes:Harmony, Pitch Shift, Detune.Harmony: It create a rich harmonic voice.Pitch Shift: Outputs a precise polyphonic pitch shifting voice.Detune: It create a chorus-like effect.
•🎸【Portable Design】 The electric guitar effects pedal is designed to be mini body size, light weight, suitable for outdoor gigs, powered by a DC 9V adapter (not included in this package).
•🎸【Reliable Quality】This electric guitar pedal is made of high-quality zinc alloy, durable and sturdy. LED indicator shows the looper status.True bypass (Note:the power adapter is NOT included).

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$42.50

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MXR

JIM DUNLOP MXR Poly Blue Octave (M306)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Modern + classic pitch shifting in a single pedal
•Four separate octave divisions, each with its own level control
•Toggle between polyphonic and monophonic pitch shifting
•Add in thick, unruly fuzz inspired by the MXR Blue Box Pedal
•Control various parameters with an expression pedal or tap switch

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$235.99

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TC Helicon

TC Helicon HARMONY SINGER Vocal Effects Stompbox with Guitar-Controlled Harmony, Reverb and Tone

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Adds one to two voices of realistic vocal harmony guided by your guitar
•Superb reverb effect with three styles sweetens your vocal presentation
•Adaptive Tone for perfect EQ, compression, de-essing and gating
•Easy to use controls get you up and running in seconds
•Momentary and latched Harmony modes for precision control

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$149.00

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