Korg opsix (2020)
A 37-key altered FM synthesizer released by Korg in 2020 with touch-sensitive keys, aftertouch, and USB/MIDI connectivity
Overview
The Korg opsix is an altered FM synthesizer produced by Korg and released in 2020. It features a 37-key keyboard with full-sized synth-action keys that are both touch-sensitive and equipped with aftertouch. The instrument uses Korg's Altered FM sound generation, a digital synthesis method known for creating metallic, bell-like, and evolving tones. The opsix is part of a product family that includes the opsix SE and opsix module variants, all sharing the same core synthesis engine.
Specifications
| Number of Keys | 37 |
| Key Weight | Synth |
| Key Size | Full |
| Touch Sensitive | yes |
| Aftertouch | yes |
| Polyphony | 32 |
| Sound Generation | Altered FM sound generator |
| Sounds Editable | yes |
| MIDI | yes |
| USB | yes |
| AC Power | yes |
| Batteries | no |
| Speakers | no |
| Audio Out | yes |
| Audio In | no |
| Sustain Pedal | yes |
| Soft Pedal | no |
| Expression Pedal | no |
Design
The opsix uses Korg's FM sound generation, where frequency modulation produces distinctive digital tones such as metallic and bell-like sounds. It has 37 full-sized, synth-action keys with touch sensitivity and aftertouch, designed for expressive performance.
Product Family
The opsix is part of a family that includes the opsix, opsix SE, and opsix module—variants documented together in the same owner's manual.
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