Eventide H9 Harmonizer Multi-effects Pedal

Stompbox Pedal with One-knob Onboard Programming plus iOS App for downloading Eventide Algorithms
Eventide H9 Harmonizer Multi-effects Pedal image 1
Eventide H9 Harmonizer Multi-effects Pedal image 1
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Eventide H9 Harmonizer Multi-effects Pedal
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Legendary Eventide Effects for Your Guitar Rig

With the Eventide H9, you can employ all of Eventide's stompbox effects from a single pedal. The H9 stompbox features a simple, one-knob user interface, but what's really cool is that it also connects wirelessly via Bluetooth to iPods, iPhones and iPads for creating and managing presets, live control and in-app algorithm purchases. Add those legendary Eventide sounds to your tonal tool kit with the Eventide H9!

Eventide H9 Stompbox Effects Pedal at a Glance:
  • Control from the box, or use the free app
  • Plenty of I/O to fit seamlessly into your pedal setup
  • Pre-loaded with nine great algorithmx
Control from the box, or use the free app

The H9 is easily and fully controllable via its front panel, so you can make adjustments on the fly. Plus, a free iOS app, H9 Control, can be downloaded to your iPhone or iPad for live editing, creating and managing presets, and changing system settings wirelessly via Bluetooth. H9 Control will also be available for your PC or Mac via USB.

Plenty of I/O to fit seamlessly into your pedal setup

Eventide made sure the H9 can fit into your pedalboard scheme. It features stereo audio I/O and MIDI I/O, plus expression pedal and auxiliary switch inputs.

Pre-loaded with nine great algorithms

All of Eventide's stompbox algorithms and their associated presets are available for in-app purchase. The H9 comes already loaded with a set of nine of the most popular algorithms taken from Eventide's award-winning stompboxes. Plus, you can download an additional algorithm to expand your range of delay options.

2 algorithms from each of the four stompboxes
  • ModFactor
  • Chorus (4 types)
  • Tremolo (2 types)
  • PitchFactor
  • H949/H910
  • Crystals
  • Space
  • Halls
  • Shimmer
  • TimeFactor
  • Tape Echo
  • Vintage Delay
  • +UltraTapDelay
  • Plus a free download for a total of 10 algorithms
Eventide H9 Stompbox Effects Pedal Features:
  • Can employ all of Eventide's stompbox effects
  • Simple one-knob user interface on unit
  • Free H9 Control app for iOS devices or Mac/PC
  • Pre-loaded with 9 classic algorithms
  • 99 selectable presets
  • Includes new UltraTap Delay
  • Stereo I/O and MIDI I/O, plus expression pedal and auxiliary switch inputs
  • Power supply included
Add legendary effects to your setup with the Eventide H9!

Additional Media

Hands-on Review: Eventide H9 Harmonizer Multi-effects Pedal
Hands On: Eventide H9

Tech Specs

Pedal Type Multi-FX
Number of Effects 99 classic time-based effect presets
Analog Inputs 2 x 1/4" (Left/Mono, Right), 1 x 1/4" (expression pedal)
Analog Outputs 2 x 1/4" (Left/Mono, Right)
MIDI I/O In, Out/Thru
Computer Connectivity USB Mini-B, Bluetooth remote editing with iOS app download
Power Supply Included 9V DC 500mA power supply
Height 1.96"
Width 4.65"
Depth 5.25"
Weight 1.53 lbs.
Manufacturer Part Number 1179-001

Customer Reviews

Based on 31 reviews
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h9 x 2 = unlimited

I did a raving review here in March. Said if I needed another pedal, it would be another h9.I needed another pedal, and got another h9.Eventide has compressors and its amp simulation/overdrives as addons. They are as good as their spatial effects. I bought the Core to handle mainly those amp and front end duties, and dedicated the second h9 to space and atmosphere. The combo can't be beat. Of course, anything can be assigned to each for unlimited possibilities.Using a simple old Midibuddy, I control both devices together. Plotting amp sounds and matching effects, a single midi patch change controls both devices in tandem. (There are mapping capabilities, or you can just repeat a preset.) For on-the-fly tweaking of effects for both units, I use an iPad and the iOS app, switching between units via bluetooth connection. Very convenient, no stooping down. I use this setup with complete confidence in live situations, easy to manage and reliable.And in stereo, driving a couple Fenders, huge.And it all fits on the smallest Pedaltrain. Gone are my KoT clone, and my Sansamp Blonde.Worth every penny. The pedal of the future.
Music background: performing musician

Amazing unit

Easily five stars from me. The effects just sound SO GOOD!! The reverbs are out of this world. The reverse delay is just lovely, the tremolo is so lush, the harpeggiator has me playing for hours coming up with new stuff. Just endless fun. Above all though, professional sounding algorithms that cut through the mix.

Best FX Purchase EVER

I have a pedalboard full of pedals that are likely going on eBay now. The only FX this thing doesn't absolutely NAIL is overdrive/dirt. Sure, it does the Van Halen thing, but if you're looking for more like a tube overdrive or Big Muff type sound, I haven't heard that from this pedal. Otherwise, you really don't need another flanger, chorus, compressor, delay, auto-wah, or vibe pedal on your board. This thing is the ultimate Swiss Army knife. You'll absolutely need to use your iPhone or iPad to control it. Although they did make it possible to step through every conceivable setting using only the controls on the pedal itself, you better be Thomas Dolby if you're going to attempt that. With the controller app on your iOS device (or PC/Laptop) you can see the pedals visually the same way Amplitube and others do it. The sounds are EPIC beyond epic. My girlfriend is an eternal skeptic of my GAS problem and even she said it was the best sounding pedal she's ever heard. I'm also relieved to say that although it won't do sweetened tunings like my Peterson tuner, it is very accurate and the display is well thought out allowing quick tuning whether re-stringing, changing to an open tuning, or just tuning up. Having a good tuner on the pedalboard is really important to me so my Strobostomp may be hitting fleabay as well. One other cool feature is it allows you to create 'set list' arrangements of the FX so that you can step through the presets to bring up the FX needed for a set list you've got lined up for a gig. These preset 'set lists' can be stored on your PC/iOS device too and named so that you can have as many of 'em as you want ready to recall for each type of gig you might play. Definitely recommend taking the time to watch all the instructional vids on Youtube and reading as much of the manual as you can stomach as it is an EXTREMELY versatile box. Stereo in/out, USB, bluetooth, and it's about the same size as your average stomp. But the most important thing is the sound and the tones are lush plush and deep as the ocean.
Music background: Serious hobbyist who plays occasional gigs

Very nice!

Replaced my TimeFactor with this. Freed up lots of room on the pedal board and gave me multiple pedals in one. Sounds outstanding. Very usable patches. Most of my gigs are at church, so I need lots of delays and reverbs. This thing delivers big time! I have never been that picky about reverbs until now. There is a patch called "Mountains" you have to hear in stereo to believe. Very inspirational. What I do to make the H9 more stage friendly is use the app (iPad) to program it and save set lists, and I have a MIDI Mouse (Tech 21) on my board to change patches. I don't really use the pedal interface except to turn bluetooth on and off.
Music background: Worship team musician

Eventide H9

I hate to endorse any product, but in this case I can't say enough about this H9 processor. It has so many functions it can literally do it all, (OK, not distortion or noise gate), Reverbs, Delays, Flanger, Phase shifter, Harmonizer... The sound quality is simply AMAZING - I own a Rocktron Prophesy rack mount processor that cost more than twice what the H9 cost me and there is no comparison,(OK you will want the Ipad app so if you have to buy an Ipad it will obviously increase the cost, but it can be used for a lot more than just the Eventide app), - The H9 is so much better that I won't even waste my time on the Prophesy. One thing - Get the Ipad app - you can download all of Eventide's' algorithms and it makes tweaking your settings really easy. I Love this processor, but the only issue is you can only run one algorithm at a time, so if you want to run multiple effects simultaneously you will either need additional H9 units, or other stomp box/rack mount units.
Music background: Hobbyist

Sweetwater Advice

Jon Amato

My favorite aspect of the H9 is the iOS control. Rather than bending down to the floor to change a setting then standing back up over and over and over, I just sit my iPad on a stand next to me and am able to really dive in to tweaking my tone without the figurative and literal backache. Whether I'm dialing in my tone or in my studio mixing, I'm always looking for a better sound. So having all of Eventide's algorithms available via the app store keeps this as one of my go-to pedals.

Charlie Davis

The best Swiss Army Knife you can add to your rig! Eventide has long been known for having some of the best-sounding effects available, so having a sample of all of their pedals in one space-concious design is great. When I play live there are certain effects I may only use once during an entire set, so it's great having the H9 to cover all of those bases instead of having to bring out a gigantic pedalboard.

Brad Irvan

I've played with a lot of multi-effects processors in the studio over the years, but never one that sounded as good and was as easy to use as the Eventide H9. Right out of the box, I was able to run my keyboard through it and dial in unique-sounding effects on the fly. It's an amazingly powerful processor, even for my instruments with built-in effects, and I particularly love the way the Panaromance effect enhanced the sound of my string patches.

Don Carr

If you've ever been interested in Eventide's amazing time-based and ambient effects, their H9 Harmonizer multi-effects pedal is a "greatest hits" list taken directly from their ground-breaking ModFactor, PitchFactor, TimeFactor, and Space pedals. Pre-loaded with 15 algorithms from those four pedals, the H9 also has two algorithms that are unique: Ultra Tap and Resonator. All of this processing power is housed in a surprisingly small, modernist-looking, white box with an efficient, minimalist feature set. Welcome to the future. I must admit that knowing the H9's potential made me really anxious to hook it up. All too often, great multi-effect pedals suffer from presets that are over-blown and basically useless, in an attempt to showcase everything that the pedal is capable of. Kudos to Eventide for avoiding this pitfall. They created 99 great-sounding presets that are tailored to guitar and run the gamut from subtle to extreme. Using the four-page Quick Reference Guide, I was able to navigate the presets and make quick parameter adjustments as soon as I plugged in. Out of the box, the H9's input is optimized for guitar level but is easily adjusted to accommodate input levels from other stompboxes, an amplifier's effects loop or a mixer's effects send. While the input level is global for every preset, the output level setting is programmed into each preset individually. This allows for maximizing each sound without sending too much level to your amplifier; this is especially handy for the thick, detailed algorithms and presets with long delay and reverb tails. With my trusty Strat plugged into the H9's input, I took the output to a Mesa/Boogie TransAtlantic TA-30 Combo, first through the input and then through the effects loop. I used a variety of clean, crunch, and overdriven sounds and the H9 performed spot-on no matter what I threw at it. Even with huge amounts of gain, through the TA's effects loop the H9's rich reverbs and complex multi-tap delays stayed clear and distinct. Splitting the signal stereo with the TA and a Fender Deluxe, the various chorus presets were lush and evocative, thickening single notes and making chords swell. Presets using the Crystals algorithm are positively dizzying. Delays and Tremolos can be synced by either the tap-tempo footswitch on the H9 or via MIDI. The indicator light on the tap-tempo switch pulses in time, allowing you to lock in on-the-fly. The H9's simple control set is well thought-out. The four parameter buttons, two footswitches, and single knob are all multi-function, offering lots of sound-shaping without having to peruse too many menus. Every parameter in the H9 is available on the front panel but deeper edits are easier using the free H9 Control App. Connect via USB or Bluetooth to your Mac, PC, or iOS device and create, edit, and store as many presets as you can dream up and load them into your H9. If you want even more flexibility, additional algorithms can be auditioned and purchased through the H9 Control App. This review only scratches the surface of what the H9 can do. This is one of those pedals that I could continue finding new sounds and uses for them. The best part is that the H9 sounds so good that I'm compelled to do just that. Killer effects, deep features that are easy to access in a pedal that integrates into your existing pedalboard without messing with your tone; that's the Eventide H9 Harmonizer Multi-Effects Pedal.
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Mitch Gallagher

Lush. That's the word I would use to describe the effects produced by the Eventide H9 harmonizer effects pedal. Eventide, of course, is well known for their high-end rackmount studio effects processors. In the past few years, the company has also gained an ardent following for their incredibly powerful stompboxes, which bring the sophistication of the rackmount effects to guitar pedalboards. Now, the H9 from Eventide brings together 100 of Eventide's greatest stompbox hits - effects from their Mod Factor, Pitch Factor, Time Factor, and Space pedals - into one flexible, powerful unit. Plus, the H9 is open ended. Using an iPad app, you can not only control the H9 wirelessly via Bluetooth, but you can also purchase and download additional effects algorithms. Quite an amazing package! The H9 is more compact than the other Eventide pedals. It features one main control knob, two footswitches (bypass and tap tempo), and five buttons. This user interface is surprisingly fast and easy, and it allows you to do what you need from the front panel. For in-depth programming, an iPad makes things easier but is not essential. Connections include stereo in and out, an expression pedal input, MIDI In/Out/Thru, and USB for connection to a computer. All well and good, but when it comes down to it, what matters is the sound, and the H9 delivers. Here's where that word "lush" comes into play. The H9 delivers the rich, enveloping, 3D sounds you'd expect from Eventide. Delays, mod effects, pitch effects, reverb...the sounds are incredible, particularly with two amps in stereo. If you're looking for the ability to load up any of Eventide's stompbox effects, the H9 makes great sense. With this one pedal, you can carry Eventide's greatest hits with you to the gig or studio. And if you need a new sound, it's as fast and easy as downloading it via iPad.
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See also: Bass Effects, Eventide, Eventide Bass Guitar Pedals & Effects, Eventide Harmony Processors, Eventide Reverbs and Delays