Roland MRS-2 ProMars 70's/80's Vintage Monophonic Analogue Synthesiser - 100V

  • Sale
  • Regular price $6,270.00

Roland MRS-2 ProMars 70's/80's Vintage Monophonic Analogue Synthesiser - 100V

The ProMars was unique largely in part due to its introduction of microprocessor control, hence the term, "Compuphonic." It used an Intel 8048 processor to control the all-analog VCOs, VCAs, and VCFs. This also allowed it to store patches, making it one of the early few analog synthesisers that had patch memory. 

The ProMars CompuPhonic has 10 preset sounds and 10 user programmable patches. The preset sounds include Bass, String, Clavi, Piano, Voice, Trombone, Sax, Trumpet, Synth I and Synth II. A very standard and well laid out set of knobs, sliders and edit controls give you the power to create some really cool sounds.

Designed as a partner to the polyphonic Jupiter-4, the ProMars is often considered a monophonic version of the Jupiter 4. However, whereas the Jupiter 4 had only one oscillator per voice, the ProMars features two oscillators (that can be de-tuned). Also found onboard are a nice VCF (filter) with its own ADSR, a typical VCA envelope section, a nice LFO and a pitch/mod wheel that can effect the LFO, VCF or VCA. It even has a noise generator. Nice wood end caps add to its vintage appeal as well. (Vintage Synth Explorer)

The ProMars has been used by Aphex Twin, Vanglis, Venetian Snares, Isao Tomita & More!


  • This unit has been used. 

  • Physically this unit is in great condition for its age! t shows some general small marks, nicks and scratches on the chassis and wooden sides. There is nothing which detracts from the use, sound or function of this synthesiser! Please see all photos for further details. 
  • This unit has had a minor service and has been thoroughly tested. It is 100% fully functional. It has no faults to note. 

  • Please be aware this unit is 100V. This means it MUST be used with a step-down transformer, not a travel adaptor. If you are unsure about this please let us know. We have some great, compatible step-downs for sale HERE. They are designed in Australia for use in Australia and can be run 24/7.

  •  If you purchase from outside Australia you may need a step-down transformer to use this unit. Please contact us if you need any help sourcing the correct product. 

  • This sale is for the ProMars only. Nothing else is included in this sale. 


Polyphony - Monophonic
Oscillators - 2 VCOs
LFO - 1 LFO (sine, square, ramp up and ramp down)
Filter - HP filter, LP rez filter with ADSR which can be inverted
VCA - ADSR envelope gen
Memory - 10 presets, 10 user patches, 8 performances, 1 user performance
Keyboard - 37 keys
Control - CV / Gate
Date Produced - 1979 - 1982


If you are in a remote area you may incur extra fees. The shipping cost has been set high to ensure this item is fully covered by insurance during the shipping process.

Pick up is free and very welcome. 

International import tax, duty, vat, custom fees or any other charges are not covered by us, nor included in the shipping fees. These are the responsibility of the buyer. Please contact us for a direct quote as the costs at checkout may be incorrect. 

Return Policy:

Returns will only be accepted for manufacture defects / faulty items. Please contact us if you have any problems with your purchase and we will strive to work it out with you.

Please contact us with any enquiries, and check our other listings for more pro audio and accessories.