Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru

Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru
Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru
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Eventide H90 Harmonizer Multi-Effects Guitar Pedal w/ MIDI In/Out/Thru

Beyond the Effects Horizon

Whether you want high-quality bread-and-butter effects or experimental sounds unheard, the H90 has everything you need to inspire your creativity with an intuitive UI designed with players in mind, 64 effect algorithms, and hundreds of Program combinations curated for a variety of instruments and genres. and genres.

New Technology, New Effects

The H90 Harmonizer features modern ARM-based architecture derived from the world’s most powerful effects processor, Eventide’s flagship H9000 Harmonizer. This paves the way for the ongoing creation of more advanced effects processing techniques. As a result, the pedal not only offers the iconic reverbs, delays, modulation, and pitch-shifting effects of the H9 Max but goes far beyond with ten new powerful algorithms including state-of-the-art, fast-tracking, and warble-free Polyphonic Pitch Shifting. Eventide’s proprietary SIFT (Spectral Instantaneous Frequency Tracking) technology clears the road ahead for next-gen effects both long-imagined and unimaginable.

Twin-Turbo Program Power

Two of these already impressive algorithms can be combined into a Program to create novel, inspiring sounds. The H90 Harmonizer’s dual algorithm design features true spillover between Programs, series or parallel effect routing, and flexible I/O.

Two Mono Inserts

Two mono inserts allow you to incorporate outboard effects in any configuration or combine them for one stereo insert. Optimize your signal flow with instrument or line level operation and full gain controls to incorporate the H90 into your rig or make it the centerpiece

Dual Mode

Dual Mode lets you do things like connect using the four-cable method or process two independent stereo instruments at once! Let the H90 Harmonizer take you beyond the effects horizon.

Live Performance Machine

The H90 Harmonizer is a live performance powerhouse! The front panel has been reimagined with five push knobs, seven LED buttons, and a hi-res OLED display for greater hands-on control and parameter feedback.

In PERFORM mode, you get six programmable footswitches. Map functions like tap tempo, preset and insert bypass with momentary states, and performance parameters like reverb freeze, pitch flex, or delay repeat. Furthermore, you can make multiple instantaneous parameter changes with three HotSwitches.

Comprehensive UI

The comprehensive UI allows you to control any parameter with ease. Adjust expression mappings by hand with the PERFORM HotKnob and engage up to six individual assignable parameters with the three push-button Quick Knobs. Get even more control with two inputs for expression pedals or auxiliary switches with up to three buttons. If that’s not enough, take advantage of the pedal’s extensive MIDI control.


  • Preloaded with 64 effect algorithms
  • 12 new effect algorithms: Polyphony, PolyFlex, PolySynth, Prism Shift, Bouquet Delay, Head Space, Weedwacker, Even-vibe, Wormhole, Instant Flanger, Instant Phaser, and SP2016 Reverb.
  • Includes all 52 effect algorithms from the H9 Max Harmonizer with enhanced features and improvements
  • New low-latency Polyphonic Pitch Shifting with SIFT (Spectral Instantaneous Frequency Tracking) technology
  • ARM-based architecture lays the foundation for new and exciting creative effects
  • Use two algorithms at once per Program
  • True spillover between Programs
  • Route effects in series or parallel
  • Instrument or line-level operation
  • Two mono inserts or one stereo insert can be positioned anywhere in the signal chain
  • Dual-mode for processing two independent stereo signals at once
  • Five push-turn knobs for more tactile control
  • Two expression inputs for pedals, up to 3-button auxiliary switches, and CV signals
  • H90 Control software provides deep editing possibilities using USB on Mac or Windows, or with Bluetooth on MacOS or iPads.
  • Built-in tuner


  • Power: 12V DC @ 1A / Center Positive (+), 5.5/2.5mm jack
  • Dimensions (Product): 
    • English: 6.5″ (W) x 5.25″ (D) x 2.5″ (H)
    • Metric: 170 (W) x 136 (D) x 68 (H) mm
  • Dimensions (Package):
    • English: 10.5″ (W) x 7″ (D) x 3″ (H)
    • Metric: 265 (W) x 180 (D) x 75 (H) mm
  • Weight (Product):  1.85 lbs / 0.84 kg
  • Weight (Package): 3 lbs / 1.36 kg
  • Shipping Contents: H90, Eventide Sticker, 4x Rubber feet, Guitar pick, Universal power supply with plugs (US, UK, EU, AUS), USB A to Type-C cable, Quick Reference Guide


  • Inputs 1 – 4: ¼ inch TS mono jack
  • Outputs 1-4: ¼ inch TS mono jack
  • Exp/Ctl 1-2: ¼ inch TRS / Expression pedal or Aux Switch
  • USB Type-C: Use USB 2.0 for control, updates, and MIDI
  • MIDI In: Five-pin DIN (Female)
  • MIDI Out/Thru: Five-pin DIN (Female)
  • DC Input Jack: 5.5/2.5mm plug / Center Positive (+)

Analog I/O

  • Input Impedance (Inst. Level): >600k ohms
  • Input Impedance (Line Level): >80k ohms
  • Output Impedance: 220 ohms
  • Recommended Load Impedance: 10k ohms
  • Maximum Input Level (Inst): +4dBu
  • Maximum Input Level (Line): +14dBu
More Information
Condition New
SKU EVNTD-1225-000
UPC 840694001842
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