A downloadable audio plugin for Windows

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Cynthia Micro is a small subtractive synthesizer that aims to be as juicy and fun as possible with a minimal set of controls.


  • 2 oscillators with 5 waveforms and split knobs
  • FM controls to modulate oscillator 1 or 2
  • Low pass filter
  • Envelope modulation for FM, filter, and volume
  • Vibrato for oscillator 2 or oscillator 1+2
  • 8 voice polyphony and legato mode

Cynthia Micro is free and open-source! Check out the source on GitHub.

Note that Cynthia Micro is still a young project, so stability is not guaranteed. However, it's been working pretty well for me so far!


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Click download now to get access to the following files:

Cynthia Micro 32-bit VST 427 kB
Cynthia Micro 64-bit VST 477 kB