Roland - GR-33 | Guitar Synthesizer


Guitar Synthesizer


The GR-33 is an affordable floor-based guitar synth featuring an upgraded sound engine, new effects, improved tracking speed and a streamlined user interface with built-in expression pedal. With a sound architecture equivalent to Roland's acclaimed JV-1080 synthesizer module, this GK-Ready synth is capable of producing some of the richest, most interesting sounds and synth effects in the history of guitar.

  • Floor-based guitar synth with 384 stunning instrument sounds
  • Sound source derived from the industry-standard Roland JV-1080 synth module
  • Ultra-fast triggering with any steel-string guitar via user-installable GK-2A Divided Pickup (sold separately)
  • Dedicated Chorus and Reverb processing, plus 40 multi-effects including rotary, overdrive, etc.
  • Synth Harmonist feature adds "intelligent" harmony to a single note
  • Output Select switch permits use with conventional guitar amps or power amps
  • Assignable expression pedal and onboard arpeggiator
Max. polyphony
Internal Memory
384 tones, 256 patches (Preset:128, User:128)
Built-in Effects
40 insert Multi-FX, Chorus, Reverb
MIX Outputs L (Headphones) /R (Mono), Return L/R (Mono), Guitar Out, Bank Shift, GK in, MIDI (In, Out), AC IN
Power Supply
AC 14 V
GK Cable C-13A (5 m), AC Adaptor (BRC Series)
Divided pickup (GK-2A,GK-3), GK Cable (GKC-10/5/3), Pedal Switch (FS-5U)
Size and Weight ( excl. AC Adaptor )
435 mm
17-1/8 inches
280 mm
11-1/16 inches
95 mm
3-3/4 inches
2.5 kg
5 lbs. 9 oz.
*The specifications are subject to change without notice.


Updates & Drivers


If you have questions about operating your Roland product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.

Owner’s Manuals

Support Documents