10 Best Harmonizer Pedal of August 2025

List of Top Rated Harmonizer Pedal from thousands of customer reviews & feedback.

Updated On Aug 2025

1,387 Reviews Studied

By Customer Ratings

1
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Stax Guitar Harmonizer Pedal Digital Effect Pedal Harmony Pitch Shifter Detune For Electric Guitar Bass Mini Size True B... Read Review

  • 🎸3 Effects Knobs and 1 Switch are accurate and high sensitive.
  • 🎸The Range of Detune Mode is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.
  • 🎸Up: Outputs a precise polyphonic pitch shifting voice.
  • 🎸Detune: It slightly shifts the pitch and mixes it back with the original signal to create a chorus-like effect, it rings a lot of nice space feeling.
  • 🎸Down: It shifts the pitch and mixes it back with the original signal to create a rich harmonic voice.

2
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BOSS Harmonist Guitar Pedal (PS-6) Read Review

  • 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)
  • The Package Height of the Product is 3 inches
  • The Package Length of the Product is 4 inches
  • The Package Width of the Product is 6 inches

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VSN Guitar Harmonizer Effect Pedal Digital Octave Effects Pedals Harmony Pitch Shifter Detune For Electric Guitar Bass M... Read Review

  • 🔔3 Effects Knobs and 1 Switch are accurate and high sensitive.The Range of Detune Mode is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.
  • 🔔Up: Outputs a precise polyphonic pitch shifting voice.
  • 🔔Detune: It slightly shifts the pitch and mixes it back with the original signal to create a chorus-like effect, it rings a lot of nice space feeling.
  • 🔔Down: It shifts the pitch and mixes it back with the original signal to create a rich harmonic voice.
  • 🔔High quality guranteed, 60days refund warranty, and DC 9V power supply(power adapter 9V DC please buy at the vsn store. ).

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Koogo Guitar Harmonizer Pedal Digital Effect Pedal Harmony Pitch Shifter Detune For Electric Guitar Bass Mini Size True... Read Review

  • 3 Effects Knobs and 1 Switch are accurate and high sensitive.
  • The Range of Detune Mode is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.
  • Up: Outputs a precise polyphonic pitch shifting voice.
  • Detune: It slightly shifts the pitch and mixes it back with the original signal to create a chorus-like effect, it rings a lot of nice space feeling.
  • Down: It shifts the pitch and mixes it back with the original signal to create a rich harmonic voice.

5
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AROMA Mini Digital Effect True Bypass AHAR-3 HARMONIZER Effects Pedal for Electric Guitar Read Review

  • Full metal shell;3 controlling knobs and 1 switch are accurate and high sensitive.
  • Mode switch: Switch between up, detune and down mode.
  • Dry knob: Adjust the volume of dry signal.
  • Wet knob: Adjust the volume of wet signal.
  • Range knob: Choose the pitch shift range.

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Beetronics Swarm Fuzz Harmonizer Pedal Read Review

  • Pedal Size - 5.5" x 4" x 2.75" (including knobs, switches and etc)
  • Enclosure Size - 5.5" x 3.25" x 2"
  • Current Draw - 7mA
  • Requires 9VDC power supply (Center Negative)
  • *Does not include power supply

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Eventide PitchFactor Harmonizer Guitar Multi Effects Pedal Read Review

  • "10 of Eventide's signature stereo or mono pitch and delay effects:DiatonicPitchFlexQuadravoxOctaverHarModulatorCrystalsMicroPitchHarPeggiatorH910 / H949SynthonizerUp to 4 voices of diatonic pitch shifting and up to 1.5 seconds of stereo delayStudio quality soundGuitar- or bass-compatibleBuilt-in TunerSoftware upgradeable via USB 2.0MIDI control via USB or MIDI in, out/thruInstant program changeReal-time control with 10 knobs, MIDI, or expression pedalTap tempo and MIDI clock sync100 factory
  • "10 of Eventide's signature stereo or mono pitch and delay effects:DiatonicPitchFlexQuadravoxOctaverHarModulatorCrystalsMicroPitchHarPeggiatorH910 / H949SynthonizerUp to 4 voices of diatonic pitch shifting and up to 1.5 seconds of stereo delayStudio quality soundGuitar- or bass-compatibleBuilt-in TunerSoftware upgradeable via USB 2.0MIDI control via USB or MIDI in, out/thruInstant program changeReal-time control with 10 knobs, MIDI, or expression pedalTap tempo and MIDI clock sync100 factory
  • Diatonic
  • PitchFlex
  • Quadravox

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Eventide PitchFactor Harmonizer Pitch+Delay Pedal Read Review

  • Up to 4 voices of diatonic pitch shifting and up to 1.5 seconds of stereo delay
  • Studio quality sound
  • Guitar or bass compatible
  • Built-in Tuner
  • Software upgradeable via USB 2.0

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Lasamot AHAR-3 Harmonizer Harmonist/p-itch Shifter Electric Guitar Effect Pedal Mini Single Effect with True Bypass Read Review

  • ♪ 3 controlling knobs and 1 switch are accurate and high sensitive.
  • ♪ Dry knob: Adjust the v-olume of dry signal.
  • ♪ Wet knob: Adjust the v-olume of wet signal.
  • When in Detune mode, the range is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.
  • Mode switch: Switch between up, detune and down mode.

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Eventide H9 Max Harmonizer Pedal Read Review

  • Includes all 45 algorithms and associated presets from the acclaimed Eventide Stomp boxes: Space, Time Factor, Pitch Factor, and Mod factor.
  • Plus H9 Exclusives: Ultra Tap delay, Resonator, Compressor EQ, CrushStation, SpaceTime, Sculpt, and PitchFuzz
  • More than 600 Factory Presets (Unit ships with 99, others available via H9 Control App)
  • Share Algorithms with up to 4 additional H9
  • Built-in tuner, true bypass, and MIDI. Wireless control with Bluetooth via H9 Control app on Windows, OSX, or iOS.