Korg Opsix MK II Desktop Module Polyphonic FM Synthesizer - $450 (Austin)

Korg Opsix MK II Desktop Module Polyphonic FM Synthesizer 1

Korg Opsix MK II Desktop Module Polyphonic FM Synthesizer 1 thumbnail

make / manufacturer: Korg

model name / number: Opsix MK II Desktop

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Mint Unused. Purchased new in December 2025 but never used. I did open to test and it works as it should.

OPSIX MKII MODULE FEATURES

Six-operator FM synthesizer
Direct control over operator ratio and level
Altered FM architecture supports classic FM synthesis, ring modulation, filtering, filter FM, wavefolding, and more—all per-operator
40+ preset algorithms, with user customizable option
Filter models include classics like the MS-20, Polysix, and more
Polyphonic step sequencer
Parameter randomizer feature
Three LFOs
Three envelope generators, plus dedicated Operator Envelope
64 voice polyphony
Compatible with MIDI 2.0 Property Exchange and Polyphonic Aftertouch
Desktop and rackmount form factor

post id: 7931974474

posted: 2026-05-03 20:52

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Korg Opsix MK II Desktop Module Polyphonic FM Synthesizer - musical...

Mint Unused. Purchased new in December 2025 but never used. I did open to test and it works as it should. OPSIX MKII MODULE FEATURES Six-operator FM synthesizer Direct control over operator ratio...