The H9 Harmonizer Effects Pedal from Eventide is a multi-effect guitar pedal that features effect algorithms from Eventide’s ModFactor, PitchFactor, TimeFactor, and Space stompboxes. It also stores its own exclusive algorithms. Every effect parameter, preset, and system setting can be edited via the single-knob interface or via Bluetooth with your iPod, iPhone, iPad, or computer equipped with the free H9 Control app.
Key Features:
- Active footswitch for engaging and bypassing the unit
- Tap tempo footswitch for controlling time-based effects
- Dual 1/4″ TS analog inputs and outputs
- 1/4″ expression pedal input for integrating an expression pedal or auxiliary switch
- Mini-USB port for editing effects with Mac or Windows, as well as MIDI input and output
- H9 MAX includes all future algorithms
H9 Control App
The H9 Harmonizer can be controlled by the free H9 Control app on your iPod, iPhone, or iPad via Bluetooth. The app allows users to edit, create, and manage presets and system settings, as well as purchase additional in-app algorithms. All of Eventide’s stompbox algorithms and presets are available for in-app purchase. The H9 Control app is also available for Mac and Windows.
Included Effects Algorithms:
- ModFactor: Chorus, Tremolo, Phaser, Q-Wah, Flanger, ModFilter, Rotary, TremoloPan, Vibrato, Undulator, RingMod
- PitchFactor: Crystals, H910/H949, Diatonic, MicroPitch, Quadravox, PitchFlex, Octaver, Harpeggiator, Synthonizer, Harmodulator
- TimeFactor: Tape Echo, Vintage Delay, Digital Delay, Mod Delay, Ducked Delay, Band Delay, Filter Pong, MultiTap, Reverse, Looper
- Space: Shimmer, Hall, Blackhole, Spring, Plate, Room, MangledVerb, TremoloVerb, ModEchoVerb, DualVerb, DynaVerb, Reverse Reverb
- H9 Exclusive: UltraTap Delay, Resonator, EQ Compressor, CrushStation, SpaceTime
What’s in the box
- Eventide H9 MAX Effects Pedal with Bluetooth Control (White)
- 1 x Power Supply









