Eventide H9 MAX

The Eventide H9 Harmonizer delivers a wide range of high-end effects in a streamlined format designed for maximum flexibility on stage and in the studio. Built on Eventide's legacy of acclaimed audio processing, the H9 brings together a rich collection of effects, including delay, reverb, pitch shifting, modulation, and more, all powered by Eventide's proprietary algorithms. Each effect is crafted to the same standard found in the company's iconic rackmount gear, but offered here in a format that easily integrates into any pedalboard or signal chain.

Control is intuitive and performance-ready, thanks to a central encoder knob surrounded by a dynamic LightRing, five parameter buttons, and dual footswitches that handle preset selection, bypass, and tap tempo. The H9 Control app adds even more depth, allowing wireless or USB connection for editing, preset management, and algorithm browsing on iOS, Android, Mac, or PC. With 99 onboard presets, full MIDI functionality, and support for expression pedals and auxiliary switches, the H9 offers deep creative control in a compact and versatile unit tailored to musicians, producers, and sound designers alike.

• Runs a wide library of Eventide effects, each built from unique algorithms for rich, studio-grade sounds.

• Stores ready-to-use presets and lets you save your own for fast recall on stage.

• Pairs with the H9 Control app for easy editing, browsing, and preset management on phone, tablet, or computer.

• Offers wireless control over Bluetooth, with simple pairing and optional name or pin changes.

• Provides tap tempo for quick timing tweaks during performance.

• Includes a built-in tuner with mute or bypass options while tuning.

• Features HOTKNOB control to move multiple parameters together for expressive sweeps.

• Supports an external expression pedal and up to three auxiliary switches for hands-free control.

• Offers MIDI in, out, and thru for deep control, clock sync, and preset changes from other gear.

• Lets you choose bypass style, including true bypass and effect-tail spillover, to fit your rig.

• Adds Killdry for effects-loop setups where you want only the processed signal.

• Provides global mix and global tempo options so levels and timing can stay consistent across presets.

• Includes input and output swell for smooth volume fades before or after the effect.

• Offers flexible routing modes such as normal, pre or post, and wet/dry to match different amplifier and loop setups.

• Updates over Bluetooth, USB, or MIDI to keep features current.

GENERAL SPECIFICATIONS:

• Multi-algorithm digital effects processor

• Supports 99 user presets

• Supports up to 40+ effect algorithms

• Software-upgradeable via USB, MIDI, or Bluetooth

• H9 Control app compatible (iOS, Android, macOS, Windows)

• True Bypass (Relay), DSP Bypass, and DSP+FX Bypass modes

• Programmable HotKnob macro control

• Tap tempo functionality

• Tuner with adjustable reference frequency (420 to 460 Hertz)

• Expression pedal or auxiliary switch support

• MIDI support (In, Out/Thru, Clock, CC, PC, SysEx)

• Power-up state memory retention

• Bluetooth connectivity (with changeable PIN and name)

• Adjustable global mix, tempo, and input/output swell

• Routing modes: Normal, Pre/Post, Wet/Dry

AUDIO SPECIFICATIONS:

• Input impedance: 600 kiloohms (mono or stereo)

• Output impedance: 470 ohms

• Recommended load impedance: 10 kiloohms or greater

• Inputs accept up to +4 decibels referenced to 0.775 volts RMS before clipping

• Expression Pedal input supports 0 to 3 volts control voltage

CONNECTORS:

• Input 1 (mono) " one quarter-inch mono phone jack

• Input 2 " one quarter-inch mono phone jack

• Output 1 (mono) " one quarter-inch mono phone jack

• Output 2 " one quarter-inch mono phone jack

• Expression Pedal / Auxiliary Switch " one quarter-inch stereo phone jack

• USB Mini-B port (USB 2.0 only)

• MIDI In " five-pin DIN (female)

• MIDI Out/Thru " five-pin DIN (female)

• Power Input " 2.5 millimeter x 5 millimeter barrel jack, center pin positive

POWER:

• Power supply requirement: 9 volts DC, 500 milliamps, center pin positive

PHYSICAL DIMENSIONS:

• Height: 5.25 inches / 133 millimeters

• Width: 4.65 inches / 118 millimeters

• Depth: 1.96 inches / 50 millimeters

• Weight: 1.53 pounds / 0.7 kilograms

MIDI FEATURES:

• MIDI Channel Select (Receive: OFF, OMNI, 1"16; Transmit: 1"16)

• MIDI Program Change maps (Receive and Transmit)

• MIDI CC mapping (Receive and Transmit)

• MIDI Clock Input and Output (ON/OFF)

• MIDI SysEx Dump and Restore (Preset, System, All)

• MIDI Thru modes: Thru, Thru+C, Merge