Digitech GNX4 Guitar Multi Effects Pedal  

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The Digitech GNX4 Guitar Multi Effects Pedal features a built-in MIDI drum machine that rivals standalone units and includes a vast library of high-quality kits and patterns. It also lets you use your... Click To Read More About This Product

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The Digitech GNX4 Guitar Multi Effects Pedal features a built-in MIDI drum machine that rivals standalone units and includes a vast library of high-quality kits and patterns. It also lets you use your own MIDI files, and the GNX4 pedal can also playback MP3s, download lessons from guitar magazines, and has 8-track digital recording that can be operated with foot controls. It records to a CompactFlash card (not included) for later transfer to computer via a USB connection.

Pro Tracks Plus software for PC or Bias Deck 3.5SE software for Mac are included. These allow you to stream 4 channels of 24-bit audio to the computer while simultaneously listening to 2 channels of playback with zero latency. For the finishing touch, process your work through world-class Lexicon reverbs courtesy of the Pantheon reverb plug-in. With 35 factory presets, 6 reverb types, and a simple yet powerful user interface, Pantheon is an indispensable tool for your recording work.

  • 15 guitar amp models
  • 10 bass amp models
  • Distortion stompbox modeling
  • Hypermodel creation for unlimited tones
  • 11 simultaneous effects
  • Built-in 8-track digital recorder
  • 6 channels of audio streaming
  • Mic preamp with 48V phantom power for recording vocals
  • Stereo line inputs
  • JamMan Delay Looper with 8 levels of undo
  • Built-in MIDI drum machine with multiple patterns and kits, plus MIDI file compatibility
  • CompactFlash memory
  • 80 user, 80 factory presets
  • 24-bit A/D conversion
  • Included software: Pro Tracks Plus, Lexicon Pantheon Reverb Plug-in
  • I/O:
    1/4" unbalanced Guitar In
    XLR balanced with phantom power mic input
    2 - 1/4" balanced TRS line inputs
    1/4" stereo TRS footswitch
    2 - 1/4" balanced line outputs
    2 XLR balanced line outputs
    1/4" stereo TRS headphone output
    MIDI In/Out/Thru
    USB port
One year warranty. 6 year extended warranty for X series if registered by customer.

  • Customer Reviews

Review Snapshot

by PowerReviews

(based on 30 reviews)

Ratings Distribution

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Reviewed by 30 customers

Displaying reviews 1-10

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(32 of 34 customers found this review helpful)


GNX4 - Whole lotta machine

By Jas

from Chicago

I found myself out of actively playing guitar, or doing anything music wise for a good 8 years. Recently I decided to get back into it, and to ?relearn? to play guitar. I purchased a Les Paul, and quickly found, playing guitar is not like riding a bike, you do forget. I was searching for a means to both supply my desire for a powerful multi effects system, and something that would actually help me ?relearn? quicker. Enter the GNX4. I demo?d many multi effects systems at the local Guitar Center, but the GNX4 was the only system that presented me with everything I was looking for in one package. Outstanding effects, tons of models, bundled recording software, a drum machine, and a large online community to draw from. The GNX4 is solidly built. And they layout is well designed. New users may find them selves having to bend down to adjust the drum patterns until they get used to switching through the modes and setting using the foot pedals. But this is a minor annoyance. The unit itself is not overly ?clunky? and a new user (even one with no experience using a multi effects system) will find it?s very easy to navigate through the presets, and switch to the ?stompbox? mode for greater control of the effects of a particular preset/model. The X-Edit software makes building your own presets extremely easy, if you can use a mouse, you can build a preset The 80 factory presets offer a wide range of sounds and styles, and will be more than adequate for most players. The unit has room for 80 User presets, and with a Flash card, a virtually unlimited library. Like many modern Multi effects systems, the unit sounds best either through a PA or similar speaker arrangement, or through the effects return of your amp. For amps without an effects return, the user may have to ?tweak? the setting on their amp?s clean channel to get the appropriate sound. The drum machine is pretty robust. As a practicing tool, it is a godsend. You can quickly cycle through to a pattern that fits a tempo and style you like, and select a kit for the desired sound. For power users, you can edit your own MIDI patterns with the Pro Tracks software, and create your own patterns, and even full songs. There isn?t much the unit can?t do. The only thing I could think of that could make the GNX4 better as an effects system, would be to include a vocoder effects system for use with the Mic input. If you don?t have an Amp with an effects return, or a PA or a ?flat? speaker system, this unit may not be for you. You may need to upgrade your amp before considering this purchase (or any other multi effects system).

(21 of 22 customers found this review helpful)



By shredheadinstead

from Biddeford, ME

Just as the title stats. I've played through a lot of immatators, like Line 6 POD's, V-Amps, etc. They all suck majorly. Nothing compared to this baby. If you have the money, I highly reccommed this; it something that will stay with you forever, and will never let you down. The best product I think I've ever purchased as a muscian! 110 percent satisfied!!!

(19 of 22 customers found this review helpful)


More than meets the eye

By jhschurman

from Zeeland, MI

I've owned the GNX4 since it came out. I'm still learning new things. Its not a plug in you amp and just play kind of unit. It works great through a PA, studio monitors, and your amp if you tweek your presets to compensate for your amps colorization. I've been playing guitar for almost 30 years and wish I had this when I was first starting. The drum machine is superb, the recording quality is great! and it connects usb! to your computer. The onboard recorder is good if you have a big card, I just use if to form ideas for my recordings or to capture a new lick. The gnx4 does have quite a big learning curve for some. I frequently visit the digitech web site for the gnx4 and there are a bunch of great players and users of the gnx4 on the forum. All in all, once you use it you'll love it. It is better tweeking than the gnx3000. You won't be disappointed.

(17 of 19 customers found this review helpful)


awesome tool

By fullbodyton

from Topeka , KS

had mine for 6 months. excellent pedal with a huge assortment of tools. top notch build! for the tools- Midi MP3 and wav file recorder built in. have some backing tracks to jam with? no problem. you dont have to be hooked up to a pc either. I just use a compact flash card and add MP3's and Midi drums to the appropriate folder. Easy to do. Sounds are great but use the speaker compensators for better sound (I rtm)! add model packs from supermodels. I have Hard Rock models and love it. all kinds of amps there and sounds 20x better than stock. recording is easy. arm tracks and go. inputs for cd player or any other line device. 48v phantom power mic input with DBX comp. what more can you ask for? this is a powerful tool. comes with an easy to use editor and protrack software. simple form of sonar from cakewalk. I had sonar 5 and the GNX4 integrated without any hassle. I really like the part of not being tied to a pc like other modelers force you to do. sounds are adjustable and the effects are outstanding.

(3 of 3 customers found this review helpful)


The most awesome board

By Roadie dad

from Miami, Fl.

2 years ago I researched multi effects boards and decided hands down on the gnx4, I bought it for my son. He loves it, it is part of his sound; a PRS, fender tube and his gnx4. It does all the things they claim, it is awesome.. so I'm not going to sit here and rewrite all the great features. Just say that this board is still going strong after 2 years,(constant use) the power supply cord broke from years of winding it up and that was easy to replace. But it made me realize how valuable this is to him and if got lost or stolen he would be in trouble, so I bought another one. I'm not rich, if I were I would have bought 10. This board is going to be a part of his sound for a long time. I bought three extra things, the foot control, gig bag and the mfxsupermodels..

(2 of 2 customers found this review helpful)


Perfect in just about every way

By SamsDaddy

from CO

I have owned the GNX4 for 6 months now and use it every day. There is not a more versatile or valuable tool on the market for a guitar player. First of all, you have all of the amp/cabinet models. Purchasing all of these amps separately would cost THOUSANDS of dollars. I compared the Vox AC30 model to an actual VOX AC 30 that I was demoing and the tone is nearly identical. Secondly, there is just about every effect you need built right into this baby - tons of different overdrive pedals (TubeScreamer, etc.), chorus, flanger, phaser, and on and on. Third, you have the built-in 8 track recorder. Have an idea for a nice riff? Stomp the record pedal, lay it down, and you're done. It will automatically loop your recording as well (just like the JamMan looper). One feature that is not often mentioned about the GNX4 is all of the output/inputs offered. 1/4", XLR, USB to go to PC - this replaces your mixer! The previous reviewer got one thing wrong though. This thing is not a 6 - it rates 1000 on my scale based on what it would cost you to replicate everything the GNX4 does with individual components. Buy yourself a PA or other full-range stereo system to take full advantage of the amp modeling and stereo effects. You will NOT be disappointed with the GNX4. It is worth every penny. Go buy it now.

(1 of 1 customers found this review helpful)


Digitech GNX-4 review


from Pittsburgh, PA

This pedal was definitley a great upgrade from my RP-7. It comes packed with tons of great tones and FX. I really like that it has a built in recorder and USB connectivity. The only features that I dislike about the pedal is the TALKER effect. It really doesn't work that great. It gives off a lot of feedback. Also the distortion sounds are really "Chalky" sounding. I still use my RP-7 for distortion sounds but occasionally I will use the GNX-4's. I also am not happy that it didn't include the dual delay function that was Featured on the RP-7. All in all it is a great pedal for guitar players.

(1 of 2 customers found this review helpful)


high learning curve

By jp_1085

from New York, NY

The GNX4 as with its predecessors have a very high learning curve. The whole process was frustrating but I must admit that once you get the hang of things, it's an amazing pedal. I play with this pedal on a Line6 Spider II amp and it has never given me any problems. The number of effects that you get with factory settings (on top of all the sounds you can create/download) is enough to make this a great buy

(1 of 2 customers found this review helpful)



By Diana

from San Diego

this pedal is an upgrade from the GNX3 (an amazing pedal in it's own right!) i absolutely LOVE the GNX4. i would recommend this vital piece of equipment to any guitarist who is serious about maximizing the quality & versatility of their playing.


Great Pedal System

By KFK666

from Waconia, MN

This Pedal Board is great, I used at my buddies pro shop with a Dean-V Custom with EMG's and a Kustom Bass Amp and it sounds sweet, I played some Heavy Metal Style music through it and some solos with the expression pedal and it kicked butt. If you have extra money and want to spend it on a great pedal board, this is it.

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