1. Introduction

Congratulations on choosing the H9 Harmonizer Gen 2, our next-generation multi-effects pedal!

The H9 Harmonizer Gen 2 brings Eventide’s iconic multi-effects pedal into a new era delivering studio quality sound and creative flexibility in a compact, performance ready format. Building on everything players loved about H9 Classics (H9 Max, H9 Core, H9 Standard), H9 Harmonizer expands the platform with the full H90 algorithm lineup, modern ARM processing, and a faster, more intuitive workflow for today’s stage and studio rigs.

1.1. Key Features

  • 74 algorithms, including the full H90 and H9 Max libraries

  • High Fidelity Polyphonic Pitch FX using SIFT technology

  • 1000+ presets out of the box

  • Transform vocals with the Harmonizer+ suite together with MixingLink (sold separately)

  • Redesigned UI with 3 Quick Knobs and button pads

  • Full parameter control directly from the pedal (no app required)

  • USB-C connection to Eventide Control app

  • Dual instrument & line level I/O for flexible studio + live use

  • 2 programmable footswitches, plus HotKnob and HotSwitch macro control

  • Seamless effects spillover between presets

  • Select, Bank, and Perform Modes for flexible workflows

  • Flexible routing options (Wet/Dry, Pre/Post)

  • Larger display with faster, streamlined interface

  • Fully compatible with H9 Classic presets

  • Built-in tuner

1.2. A Few Words of Advice

The H9 packs an impressive amount of processing and flexibility into a compact package. To get a full understanding of what the H9 offers, we recommend taking the time to explore this User Guide. However, if you’re eager to get going, at least read the included Cheat Sheet or view the Quickstart Guide to help you get started.

1.3. What’s in the Box

The box contains:

  • H9 Gen 2 Harmonizer

  • Cheat Sheet

  • Universal AC power supply

  • USB-C cable

  • 4x rubber feet

  • Eventide sticker

  • Guitar pick