Korg Opsix Module
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Essential Information About the KORG opsix mk II Synthesizer
Essential Information About the KORG opsix mk II Synthesizer
- 64-voice polyphony for lush pads, wide chords, and detailed FM textures without voice stealing.
- "Operator Mixer" with illuminated faders (carriers in red, modulators in blue) offering instant and intuitive FM control.
- Clear interface with 6 encoders, large OLED screen, oscilloscope, and spectrum analyzer to visualize and sculpt sound.
- Iconic KORG filters (MS-20, Polysix), 3 effect blocks/30 types, and an inspiring polyphonic sequencer.
Manufacturer Information
Korg
https://www.korg.com
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Algam SAS
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Contemporary FM at the Heart of the KORG Range
A true evolution of the original opsix, the opsix mk II doubles the polyphony and makes FM synthesis more accessible than ever. Its front panel enhanced with a green "Operator Mixer" immediately asserts its identity. Fully compatible with sounds from the original opsix and the "opsix Native" plug-in, it naturally fits into the KORG ecosystem and opens access to a vast library of presets and additional banks.
For Creators, Performers, and Sound Designers
Whether you are an FM-curious beginner, an experienced producer, or a live musician, the opsix mk II adapts to all contexts: studio, live, installation, and experimentation. It excels in electro, techno, ambient, synthwave, pop, and soundtrack music, ranging from cutting basses to cinematic pads, crystalline bells to evolving textures.
Technical specifications
| Number of effects | 30 | Sound generator | FM |
| Arpeggiator | Yes | Envelope | ADSR |
| Filters | Resonance, Cutoff | LFO | 3 |
| User memories number | 500 | Inputs | USB, Sustain pedal, Midi |
| Max polyphony | 80 | Color | Blue |
| Velocity sensitive | Yes | Sequencer | Yes |
| Number of oscillators | 6 | Preset number | 200 |
| Semi-modular | No | Display | OLED |
| Synthesis type | FM | Weight | 1.7 kg |
| Category | Digital synth | Dimensions (mm) | 482 x 172 x 104 |
| Transposition | Yes | ||
Customer reviews
Based on 2 reviews
- 5 stars, 2 reviews
- 4 stars, 0 reviews
- 3 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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I've been hearing the synth for a long time.
Indeed, having several years of programming, I did not need to open the user manual to explore the opsix. Having had a DX7 a huge leap in FM sound programming.
Very quick to build. I like the instinctive way to refine a sound color.
direct access to the faders and very practical potentiometer.
The downside has been the memory storage of sounds since the dawn of time. Especially for storing my personal sounds. OK with the DX7 32 sounds for the time but we are in 2026!... 43 years later.Automatically translated
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In my opinion the only FM synth on the market that is worth it! The real authentic FM sound and even more with other operator modes... An FM monster
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Questions frequently asked
What polyphony does the Korg Opsix Module offer?
The 6-operator FM synthesis provides a polyphony of 64 voices, suitable for chords and note layering.
Are the sounds from the original opsix compatible?
Sounds and samples from the original opsix are compatible. Compatibility with the opsix Native software is also announced. The opsix Sound Librarian software allows organizing and transferring data via USB.
What types of synthesis are available on this FM module?
Beyond FM, 6 operator modes enable subtractive, additive, waveshaping, and analog modeling approaches. Each operator offers 21 waveforms, with 40 preset algorithms and the ability to create custom routings.
Is the sequencer of the opsix Module polyphonic?
The step sequencer features 16 steps and can record up to 6 notes per step, with velocity and gate time editing.
What connections are available on this synth module?
The interface includes USB, MIDI, and a sustain pedal input. Measuring 482 Ă 172 Ă 104 mm and weighing 1.7 kg, the format is designed for compact integration in studio or stage setups.



