Roland MC-303 Groovebox

Roland MC-303 Image

The original groovebox for dance/techno! It's got 303, 808, 909, Jupiter, and Juno sounds. It is a sequencer arranger with looks inspired by the original 303's and 808's... Not to mention it includes real-time Filter Cutoff, resonance, panning and arpeggiator. With this box alone you can become a techno music maker!!! It sounds pretty good and has an unbeatable price (around $500)!!!! Though it's been swept aside by the MC-505, JX-305, EG-101 and Yamaha RM1x, it's still a good entry-level machine for those of you on a budget or just starting out. It has been used by ATB.

Lookup Roland MC-303 Groovebox Prices

The link above will take you to an eBay search for this synth to see active listings with more images, specs and information. If you don't find it there, try looking in our forum marketplace. Our marketplace gets thousands of visits every week so make sure to check back often if you want to buy or sell a synth.

Related forum topics


Are you looking to buy or sell a Roland MC-303 Groovebox? Post an ad in Gear For Sale or a request in Gear Wanted. For spare parts and repair services check out Gear Services & Other Goods. Our forums also has a Buyer’s Guide section where you can ask for advice on buying synthesizers.

82 Visitor comments
November 13, 2012 @ 2:49 pm
The service manual PDF is linked from the wikipedia page for the MC-303. I got the replacement switch from digikey. Part number: P12217SCT-ND. I ordered more than I needed in case more go :)
November 10, 2012 @ 8:33 am
Strange memory issues are mostly down to the battery. They are fairly easy to replace but get a box ready for the screws.
The Yamaha RMX-1 is worse for screws and that has very bad buttons. The 303 is a breeze in comparison.
November 6, 2012 @ 8:44 am
could you tell me where you got a replacement select button, or where I can find the serice manual. I need to replace both select buttons on mine.
Mark McCluney
September 20, 2012 @ 6:26 am
I've got one of these but it's in pretty grimy nick and since I don't have the appropriate powere supply I don't even know if it's going. Can anyone suggest how I can juice it up without causing any damage? I'd prefer not to spent a lot on a proper replacement power supply only to find out the thing's dead anyway. Cheers.
P Laskey
August 11, 2012 @ 7:38 am
Just got one of these. Arrived a bit damaged but nothing I couldn't fix. Price in UK now is on average 100 to 150 pounds. Opened the case to fix broken LFO knob but balked at huge number of screws holding boards in! Found out what battery it uses though... anyway I am still playing with it (fixed the knob from outside the case... works). It's got a nice groove, also nice they tell you in the manual who programmed what. Inspirational machine. Worth any number of x0xb0xes and much sweeter than modern drum machines!
VSE Rating

It’s Good

User Rating

Rated 3.7 (817 Votes)

  • Check Price
  • The link above will take you to an eBay search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Polyphony - 28 voices
  • # of Tones - 448
  • # of Drum Sets - 12 (inc. 808, 909)
  • # of Instruments - 16 part multitimbral
  • Effects - Reverb, delay, chorus and flange
  • Arpeg/Seq - Sequencer : 8 tracks, 10 songs, 120 preset & 50 user patterns.
    Arpeg: 200 RPS phrases
  • Keyboard - 12 buttons
  • Control - MIDI
  • Date Produced - 1996
  • Resources & Credits
  • Images from

Errors or Corrections? Send them here.