Korg Opsix MK2
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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: twice that of the original opsix, for complex chords and dense textures without compromise.
- Ultra-intuitive Operator Mixer: 6 faders and dedicated controls, with carrier/modulator color coding to sculpt FM like a mix.
- "Altered" and versatile FM: an engine capable of going far beyond classic FM, from modern sound design to vintage tones.
- Immediate creativity: polyphonic step sequencer, powerful modulation, Randomize, and high-definition effects.
Manufacturer Information
Korg
https://www.korg.com
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Algam SAS
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A Powerful Evolution of the opsix Lineage
The KORG opsix mk II builds on the sound engine that made the original opsix so accessible, pushing it further with polyphony increased to 64 voices and more simultaneous voicings. It retains the "simplified FM" philosophy thanks to the Operator Mixer, and remains compatible with sounds and samples from the original opsix as well as the opsix Native software, including numerous high-quality libraries. The Operator Mixer section, a visual and sonic signature of the series, comes here with a revamped design featuring a green identity.
Who It's For: Production, Live, and Hassle-Free FM Exploration
The opsix mk II is aimed at curious beginners as well as experienced sound designers who want to enjoy an inspiring digital synth without getting lost in traditional FM complexity. Perfect for techno, electro, ambient, synthwave, pop, or film scoring, it excels both in the studio (textures, pads, bells, basses, expressive leads) and live thanks to its direct controls and "hands-on" approach.
Technical specifications
| Number of effects | 30 | Sound generator | FM |
| Arpeggiator | Yes | Envelope | ADSR |
| Controller | Pitchbend, Modulation, Sustain, 6 faders, 14 potentiometers | LFO | 3 |
| Filters | Resonance, Cutoff | Accessories included | Power supply |
| User memories number | 500 | MIDI I/O | IN, OUT (DIN), MIDI PAR USB |
| Max polyphony | 64 | Inputs | USB, Sustain pedal, Midi, USB Midi |
| Velocity sensitive | Yes | Outputs | USB, Midi, Headset, 2 x jack, Stereo jack, USB Midi |
| Number of oscillators | 6 | Color | Green |
| Synthesis type | FM | Finishing | Gold |
| Module type | Effects, Envelope, Filter, LFO, Mixer, Oscillator | Sequencer | Yes |
| Category | Digital synth | Preset number | 200 |
| Number of keys | 37 | Display | OLED |
| Touch | Lightweight | Weight | 2.9 kg |
| Key format | big | Dimensions (mm) | 565 x 338 x 90 |
| Transposition | Yes | ||
| Polyphony | 64 voices | Step sequencer | 16 steps, automatable |
| FM synthesis | 6 operators | Number of notes per step | up to 6 |
| Number of algorithms | 40 | Editable sequencer parameters | velocity, gate and timing |
| Operator modes | 5 | Motion sequencing | recording of up to 6 parameters |
| Waveforms | 21 | Effect types | 30 |
| Filter types | 11 | Effect blocks usable simultaneously | 3 |
| Filter simulations | KORG Polysix and KORG MS-20 | Favorites | 4 banks of 16 presets |
| Number of envelopes | 3 | Sound and sample compatibility | original opsix and opsix Native software |
| MOD section | 3 EGs and 3 LFOs | opsix Sound Librarian | sound management and transfer via USB |
| Virtual modulation routing patches | 12 | Availability of ready-to-use sound packs | KORG Shop |
Questions frequently asked
What polyphony does the Korg Opsix MK2 offer?
The polyphony reaches 64 voices, based on a 6-operator FM synthesis architecture. This capacity allows layering chords and textures with more simultaneous voicings.
Are the sounds from the original opsix compatible?
Compatibility is ensured with sounds and samples from the original opsix as well as with the opsix Native software. Sound management and transfer are done via USB using opsix Sound Librarian.
Can polyphonic sequences be created?
The step sequencer records up to 6 notes per step, with settings for velocity, time, gate, and timing. The motion sequencing can record up to 6 parameters to animate programs. An arpeggiator is also integrated.
What MIDI and audio connections are available?
The connections include MIDI DIN In and Out ports, USB MIDI, a sustain pedal input, two jack outputs, and a headphone output.
Is the keyboard suitable for playing on the go?
With 37 full-size keys with a light touch, a weight of 2.9 kg, and dimensions of 565 x 338 x 90 mm, this model adopts a compact format. The power supply is included.



