Roland GR-20
Roland GR-20

GR-20, Audio/MIDI Converter from Roland in the GR series.

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All user reviews of 4/5 for the Roland GR-20

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Average Score:4.4( 4.4/5 based on 23 reviews )
 9 reviews39 %
 13 reviews57 %
Value For Money : Excellent

theaudioandvideoguy's review"get a new sound"

Roland GR-20
The Roland GR 20 is an guitar synthesizer that you must own if you play the electric guitar. it’s a complete system that has a great selection of sounds like strings, organ , synths and many more. Editing everything on the Roland GR 20 couldn’t be easier either with the quick editing knobs like chorus and release / delay. The Roland GR 20 also has some of the newest and latest sounds that come on other Roland products. If you are a Les Paul type guitar player there is an attachment plate for you as well.


There was a little learning curve me to get familiar with the unit itself. It wasn’t difficult but I didn’t read any manuals so I just started messing around with it it. Using it is painless but it was one of the first type of pieces of gear like this that I have ever used so it too me a while to really get the feel and flow of how it works and what each knob does and how well it does it. But after a few hours I had no further problems. It was even fun just doing the trial and error method because I was able to create some really neat sounds. It really brought my creativity out.


Sounds are good, it has some sax, flute, and brass just to name a few. Everything seems to sound pretty realistic as well. Most Roland sounds do sound authentic and they have carried that over to the Roland GR 20.


Overall, if you are in need of a guitar synthesiser then this could be the one you need to get. It cost a little more than what I was expecting and most of Rolands products arent cheap so I do expect it to hold up for me for a long time. Only time will tell how well built it is, I havent dropped it yet so that is a plus. I am looking forwared to some more synths for guitars that roland will come out with in the future.

Humanoide70's review (This content has been automatically translated from French)" Professional equipment within the reach of all"

Roland GR-20
Has a complete connection and nothing is missing. GK connection my Godin was made for this. Remained just connect to an amp.


Configuration and simple manual and portends huge potential. The programming is against a fairly high level while remaining simple.


A simple and all instrumentation twelve o'clock installation is available from a guitar amp ... What happiness!


Fairly regular use, use more home externally. The choice fell on this product, because at the time, and especially at the meeting, some suggested taking a product-type GK. Despite the lack of choice, this is more appropriate. No regrets except that the lack of choice at the time.

MrFlashh's review (This content has been automatically translated from French)" it sounds like an arranger"

Roland GR-20
already said ...


simply because very few parameters ... too little!


sensor installation is very simple tune-o-matic


ahh .. sound ..
I would say that it sounds very good, but there is a wide pannel of preconfigured sounds (little changed ..)

but hey, that bends to react properly, control the six-string equivalent of six synths nonophoniques (passk must be independent pitch bend for each string)

accompaniments to play with polyphonic sounds kind piano, organ, se .. or sounds of violins ... it's ok (and brass are also nice)

but the funky lead acid or low, better a Electroharmonix (without sensor but monaural)

swan_kashmir's review (This content has been automatically translated from French)" ideal to start the guitar twelve o'clock"

Roland GR-20
A few tweaks will be necessary.
GK3 The sensor is installed perfectly on a Les Paul. Everything is provided: bars both sides to stick the sensor (on strato & Co. only), tools for sensor settings, cables ... the same adapter to attach to Les Paul.

Output jack guitar> sensor GK3> GR20> guitar amp & PA

The signal is carried by the guitar cable with GR20 orders noon. This is the GR20 which separates the signals to send only the scratches on his amplifier via mono jack. The midi sounds out of 2 mono jacks (L + R).
Input jack for stereo (2 mono).
I / O noon.


Manual very clear. Actually we do not need the manual to begin to use immediately. 2 rotary used to select the sample set MIDI and patch in the bank: simplicity itself.
The manual will be useful to sustain the possibilities, glide and the expression pedal. One can easily get all types of config according to the piece to play.
The little mod to do (attack, release, chorus, reverb / echo) on the south are easily adjusted by rotating 4. For more advanced settings (resonnance, +-2oct, ...) is done in menus-simple, ie there are few parameters with few choices to be so SIMPLE.


Not thru noon, damage.
Cable GK5 not very flexible. It comes folded instead of being wound. Be careful not to step on it! It is more fragile than a jack and much rarer. You can have bad contacts because of this cable (or because of the sensor ...)

Otherwise this unit is made for guitarists. It is not complicated to use! And controls to bring up many possibilities of play


In service for 4 years without problems, apart from poor contact on the case on this guitar.
I do not regret my purchase. It was the best offer "all inclusive" sensor + Sound Module + foot control.
Moreover, we can always control sounds more pro from noon.
A well-designed solution with a price drop may be with the arrival of new more efficient models in the same brand.
lulu m03/21/2012

lulu m's review (This content has been automatically translated from French)" for the price there is no better!"

Roland GR-20
I would have preferred 24-bit sound (sounds a little lack of depth) but for that price .. very correct!




I had a little worry to install the sensor on my Ergodyne but with a few tweaks everything is nickel.


5 years utilisage. Always. I never left!

Phaz974's review (This content has been automatically translated from French)" Well, not great!"

Roland GR-20
Already said before
Tracking good (not perfect)
Cons by some sounds very spoiled


Use at let's say it's a toy!


The hardest part of all this is to properly position the sensor. After everything worked right away!
I was very impressed by the latency: one feels, but it is almost zero!


Well let's say I bought it was however hier.Cela 5 years I wanted a guitar synthesizer (as the great guitarist Metheny was the first I've heard when I started playing guitar, I'm still a fan ) and that I suck on keyboards (actually I do not want to learn lol) then voila! At least it increases your vision of the game, you can do a whole piece yourself, into several tracks, of course ^ ^ (there is a patch mm battery!)
Too bad the sound editing is more advanced, and that the sounds are very similar!

Chrizzik's review (This content has been automatically translated from French)" For the bass: yes but not in the grave"

Roland GR-20
Used with GK-3B on a 6-string bass frets
(And occasionally trs with the transmitter of origin on a Les Paul copy guitar)
Solid connection, but after a year the connection is showing signs of weakness, sound (clacs breaking sound, repeated and amplified)


Super simple, DPIT the patch to download and install that the system works as well with the bass with the guitar (about free patch by Roland on systems older)
The manual is very well built, but the ergonomics of any fawn Systm is very well done, a few rglages for which it is best to understand what is done with the doc everything comes by itself.


Install the kit, download the patch, plug and play ... meaningless


Used for a little over a year in support to enrich low-chorus, play games or organ / ground, in rock / times. The Systm therefore, outside of my exercises, a trip for a week rptitions, and a few trips a year for gigs.
=> Trs well in chorus from the middle of the handle and the rope, not great below (low E / so bad) because of the latency and Artfact - I prcise the assembly and t have the rglage Verify by professionals ...
So I do not synth bass line because not enough prcis in serious, but for chorus sax, trumpet mouth, Hammond organ (highway star), or duos low distortion + synth-wah lead, has had its effect!
Report quality / price: the product ages, but its ratings decline ... always a good choice I think if you want to start and give an ide.
I would do it again? question of budget. I have not tried other Systm and I did not see how the latency is now gone in frquences serious. I doubt that aa the progress, but 300 EUR, why not?

One last word, combining the GR20 with a looper, you can spend nights entires loop!

alak's review (This content has been automatically translated from French)

Roland GR-20
Interface Guitar Synthesizer purchased in early 2009 with the GK3 sensor provided in the pack at 500 euros
Well designed, 2 MIDI (in / out), 2 inputs for MP3, effects etc. ... ("Mix in"), and 2Quit plus an output for sending the guitar signal to an external device (effects, amps etc. ...)
The housing plastoc, compact enough not to impede on stage (next to a G71UT ZOOM), seems solid.
An expression pedal (volume, bend, filter cutoff frequency synthesizer)
2 buttons to sustain and pitch bend.


Use = very simple: you select a category of sound, then with the dial or buttons on the sensor itself, navigating through the sounds of the bank.
The sensor is very easy to use
The manual, well done, is virtually useless.

facility = hex micro sensor easy to install with adhesive pasta shape
Start over
GK 3 module installed without drilling life of the tie strap it siffer = screw it qqs turn or replace the screw with a screw longer than 3 mmm


with an average of 40 sounds per bank and 10 banks, there are ways to find the sound you seek! some are beautiful = love the sax sounds "ethnic" to create environments Eastern, Celtic, Indian, etc ... HUGE improvement over my old GR50!
The electric piano are convaicants if you do not play too fast, acoustic pianos can not play fast without "pick up" (ditto for the drums, Because the latency - very low indeed, an improvement over previous models, but still noticeable).
Patterns already programmed (Going it alone on a string) are very funny.


Global Reviews
Latency, much better than on older models, remains a small problem, but they have to do with = it is inherent to the very principle of conversion!
and it's so funny to release a chorus sax on stage with a guitar!
Overall a good product, a bit expensive, but very useful for recording on cubase midi sequences to double a solo, creating an atmosphere on stage if the band has no keyboard, etc. ...

befito's review (This content has been automatically translated from French)

Roland GR-20
What are the proposed conversions? (Which formats and what the meaning of conversion?)
13-pin MIDI (exit godin guitar with integrated sensor) to 5-pin MIDI to enter the computer via MIDI "normal"

- What is the connection?

- What type of converter is used (if A / D or D / A)?
converts audio to MIDI but can also come out in audio amp or console


- The general configuration is it simple?

- The usual functions are they easily accessible?
Yes even if you would like more parameters

- The manual is clear and sufficient? ...
Yes not very complicated anyway


- The installation is done it without problems?

- Have you experienced any incompatibilities?
Not at this time

- The general configuration is easy?

- The manual is clear and sufficient? ... YES


- How long have you use it?
1 month

- What is so special that you like most and least?
Good deal without midi piano! Although live, but old is connect to an expander because outside of a few sounds, all is pretty cheap, especially of course to the sounds of brass and winds. The synth fare, the sitar is not bad and a few other surprises ...

- Have you tried many other models before buying it?
few competitors

- How would you rate the quality / price?

- With experience, you do again this choice? ...

zjulos's review (This content has been automatically translated from French)

Roland GR-20
See more reviews


Ultra simple,
a little too well


The setting of the reactivity of the guitar is not so evident


1 year of use
He can do a lot in the south, in Mao interresting, it gives a guitar master in place of a master keyboard, Terribas ...
Unfortunately it is a esxcellent gadget, but I'm pretty adept at pure acoustic sound and it is still expensive if it has no use for MIDI and it's just to mumuse with the factory sounds ...