Harmonizer

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  QUINTESSENCE HARMONY

  $91

  TC Electronic

  Exceptional Dual-Voiced Intelligent Harmonizer with Groundbreaking MASH Footswitch

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  VoiceTone H1

  TC-Helicon

  Single-button vocal harmony stompbox that generates two diatonic harmony voices in a key set on the pedal, voiced as high, low, or high plus low. Adaptive Tone treats the lead vocal alongside the harmonies.

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  Eventide H910 Harmonizer

  $149

  Universal Audio

  Stretch “the fabric of time” with a pioneering 1970s multi-effects unit.

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  Trivox

  $39.90

  WA Production

  Trivox is a harmony effect plugin with three voices, each tunable from -12 to +12 semitones and carrying its own level control. Voices can be locked to one of 20 scales or left chromatic, with unison, detune and spread controls for wide stereo harmonies.

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  Harmony

  Waves

  Create instant vocal harmonies—up to 8 voices generated from a single voice—and quickly craft your dream vocal production. Personalize the character of each voice with pitch, formant, panning, delay, filtering and modulation.

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Catalog data as of November 7, 2026