Roland GR-55 Guitar Synth - Black - With GK-3 Pickup Demo

Guitar Synth with 910 Tones, 93 Effect Types, 3 Foot Pedals, Expression/Volume Pedal, and Onboard USB WAV/AIFF Player, and GK-3 Hex Pickup - Black
Roland GR-55 Guitar Synth - Black - With GK-3 Pickup image 1
Roland GR-55 Guitar Synth - Black - With GK-3 Pickup image 1
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Roland GR-55 Guitar Synth - Black - With GK-3 Pickup
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EM Editors' Choice Award Winner!

With decades of experience developing the industry's hottest guitar synths, Roland's GR-55 guitar synth and effects processor gives you more incredible tones and features than ever before, making laggy and inaccurate tracking a thing of the past. When Roland designed the GR-55, they totally redeveloped their already leading pitch-detection technology to bring you their fastest guitar synth ever. Pitch, velocity, sustain - the GR-55 doesn't miss a thing! Using the included GK-3 hex pickup, your guitar can conjure up screaming leads, rich pads, piano accents, and much more.

COSM tone modeling

The GR-55 includes Roland's world-famous COSM tone modeling. This amazing processor core opens up never-before-explored realms of tone and texture shaping. From pop to rock to undiscovered genres of music, the GR-55 has the guitar tones you need to stand out. Dive in and create your own intensely intricate patches, or keep it simple and explore the hundreds of built-in tones onboard. The GR-55 has the perfect sounds for any music. On top of that, the GR-55 features an onboard USB memory music player with handy foot controls, so you can rock out with your favorite tones long after the rest of the band's packed up. If you're ready to discover a whole new world of mind-blowing guitar sounds, you're ready for the Roland GR-55!

Roland GR-55 Guitar Synth System Features:

  • Ultra-fast tracking provides incredibly responsive synth processing
  • Color: Black
  • 3-pedal live control plus a built-in expression/volume pedal
  • Sound Generator: PCM (2 tones), COSM Modeling (1 tone)
  • Tones PCM: 910 types
  • Modeling: 23 types (guitar mode), 17 types (bass mode)
  • Effects MFX (Multi-Effects): 20 types
  • AMP (Preamp): 42 types
  • MOD (Modulation): 14 types
  • DELAY: 7 types
  • REVERB: 5 types
  • CHORUS: 4 types
  • EQ: 1 type
  • 270 x Guitar patch memory presets (plus 297 user patches)
  • 90 x Bass patch memory presets (plus 297 user patches)
  • 240 x 64 LCD display
  • 1 x 13-pin DIN GK input connector
  • 1 x 1/4" guitar output jack
  • 2 x 1/4" main outputs
  • 1 x 1/4" stereo headphone output
  • MIDI in and out connectors
  • 2 x USB port (computer connectivity and USB memory connector)
  • USB Memory Audio Player File Format: WAV, AIFF
  • Sampling resolution: 24-bit/44.1kHz
  • Power supply: DC 9V
  • Current draw: 700 mA
  • Dimensions (maximum measurements): 16" x 9-5/8" x 4-3/16"
  • Weight: 7 lbs. 5 oz.
  • Included accessories: AC adapter, owner's manual, GK-3 divided pickup, 16.4' GK cable

What Makes a Product a "Demo"?

At Sweetwater, "Demo" usually means one of the following:

  • It spent some time on display in our store.
  • It was used in a sales training presentation.
  • It was returned by another customer who tried it out for a few days.

Every demo item we sell is certified to be in perfect working order and backed by Sweetwater's 2-year Total Confidence Coverage warranty. Demos are thoroughly inspected by our Factory-Authorized technicians, and you will find their detailed condition notes on the product page. If you have any questions, please call us at (800) 222-4700.

Additional Media

Electric Guitar Buying Guide

Tech Specs

Manufacturer Part Number GR-55GK-BK

Customer Reviews

Based on 23 reviews
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GR- 55 synth

Great tones and effects, little disappointed in the tracking for the fiddle and banjo, but I think I can tweak the pickup and change the sensitivity and nuance. Hope they come up with a wireless solution, don't like to be tethered.

Fantastic Guitar Synth

Another great product from Roland not really that surprising since Roland has always produced great products. I upgraded from a GR3 which I liked very much but this little jewel is a like a whole new world when it comes to guitar synthesis . I especially love the guitar modeling with very realistic sounds and 0 latency makes this like not only getting a new guitar synth but also getting thousands of dollars worth of guitars too! and the alternate tunings with the touch of a button is totally awesome ! So many features and ease of use makes this a real winner in my book and the GK-3 pickup is like the icing on the cake ! super fast response and great tracking Another Winner ! Thanks Sweetwater !

Roland GR-55 synth - better than first glance

To begin with this unit is a tool for the adventurous experimental guitarist of some relative ability, touch, and talent. It is not a plug and play unit, at least not until you get your patch tones established and arranged for performance. Like most multi units the factory preset patches are not going to begin to render the true potential of this unit. In fact I have managed to use none of them even as editing starts. Limited only by your imagination and how in-depth you comprehend the editor features. There is a web forum for this unit loaded with excellent information on how to use the unit to its potential, which is considerable. There is a PC/Mac editor software and the Roland library software which is a must have for this unit. The PC allows to see graphically on the PC how the unit is configured and what it is doing.The more I use it the more imaginative my patches become. Recently I made one with sirens, and gun fire, one which press and the gun becomes a machine gun and another the siren into a train passing by. All that with a powerful GR synth voiced COSM guitar or a mellow cool L4. I made patches with rain and thunder and a cool jazz vibe guitar sounding like you are playing in a cafe during a summer rain. Artful use of hold functions and param assign switching can lift a boring couple sound patch into a wonderland of cool. I created full orchestrated patches for Zeppelin's Kashmir complete with Dmodal tuning. IF all you see of this unit is a walk through of canned patch presets it will probably not tempt you to get one. I had previous experience using a synth and I sat out a yr before dropping the dime. As fusion based experimentive guitarist this is an amazing tool, will do so much more than you have in your head and you will improve as a guitarist, as your sense of touch and feel develop using different instruments and their touch. One does not do Townsend wind mill cut your hand things on a string patch. So for the thinking guitarist who wants to expand what they imagined the guitar could do, hell of a tool.
Music background: not doing live gigs, studio, private projects

from GR-1 to GR-55

I've been using the GR-1 since it came out years ago, and I've jumped over all the versions in between until now. Roland has greatly improved the concept with this generation of guitar synth/COSM modelling.I had read reviews saying that the editing was difficult due to the layered menus. I disagree.. I find the editing process to be far more intuitive than any other modelling pedal I've ever tried. I'm 61 years old and my memory is not what it once was. Long series of steps that must be followed sequentially in order to change something really bog me down... but the tabbed layout of this editor is (IMO) a very good way to organize the functions. I don't even need the manual to make edits, and that amazes me!Ease of editing is no small achievement since the GR-55 includes all the COSM stuff in addition to the synth patches... all of which is editable. This may well be the best bang for the buck in the guitar pedal world, and that is a very bold statement given the high quality of pedals available today. favorite patch: the cello is amazing.. I don't know how they captured all the nuance of an acoustic cello, but it is a major improvement over the cello on my GR-1. I'm gearing up for a solo act with backing tracks, and this pedal will give me a way to perform all the solos on all the songs, regardless of the instrument in the recording. Bottom line: I am very happy with this purchase, and I wish I hadn't waited so long to buy it.
Music background: gearing up for a solo act


A excellent tool for me as a song writer guitarist,it has incredible editing capabilities which opens up sonic possibilities.
Music background: Pro Musician
See also: Guitar Synths, Roland, Roland MIDI Guitars/Pickups, Roland Multi-effects