Korg monologuevsKorg opsix mk II
Summary
Korg monologue and Korg opsix mk II: 2 Korg synth onlys compared side by side. They differ on 12 of 19 compared specifications.
| 2 items | Korg monologueCurrentView details → | Korg opsix mk IICurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Korg | Korg |
| Status | Current | Current |
| Released | 2016 | 2024 |
| Sound engine | ||
| Engine | Analogue | Digital (FM) |
| Voices | 1 | 64 |
| Polyphony | Monophonic | 64 voices |
| Oscillators | 2 analogue VCOs (VCO2 with sync and ring mod) | 6 operators, 23 waveforms, 6 operator modes (FM, ring mod, filter, filter FM, wave folder, effect) |
| Filter | Analogue low-pass with resonance and drive | 11 types including MS-20 and Polysix models |
| Multi-timbral parts | 1 | 1 |
| Sequencer | 16-step monophonic, 4 motion-sequence lanes | 16-step (6 notes per step) with 6 motion-sequence lanes, plus arpeggiator |
| Effects | — | Chorus, Phaser, Flanger, Rotary speaker, Distortion, Compressor, Delay, Tape echo, Reverb, Shimmer reverb |
| Keyboard | ||
| Keys | 25 | 37 |
| Key size | Slim | Full |
| Key action | Synth-action | Synth-action |
| Aftertouch | None | None |
| Format | ||
| Format | Keyboard | Keyboard |
| Motorised knobs | No | No |
| Features | Battery powered (6 x AA), Microtuning (32 scales), OLED oscilloscope, Audio input, Sync in/out, 100 programs | 40 preset algorithms plus user algorithm, Ratio knobs and level sliders per operator, 3 EGs and 3 LFOs, 12 virtual patch routings, Release velocity, Balanced outputs |
| Connections | ||
| MIDI ports | DIN in, DIN out, USB | DIN in, DIN out, USB |
| CV / Gate | No | No |
| Size & weight | ||
| Colours | Silver, Black, Dark Blue | — |
| Dimensions (W × D × H) | 350 × 276 × 76 mm | 565 × 338 × 90 mm |
| Weight | 1.7 kg | 2.9 kg |
Key differences
- Engine: monologue – Analogue opsix mk II – Digital (FM)
- Keys: monologue – 25 opsix mk II – 37
- Voices: monologue – 1 opsix mk II – 64
- Released: monologue – 2016 opsix mk II – 2024
- Polyphony: monologue – Monophonic opsix mk II – 64 voices
- Oscillators: monologue – 2 analogue VCOs (VCO2 with sync and ring mod) opsix mk II – 6 operators, 23 waveforms, 6 operator modes (FM, ring mod, filter, filter FM, wave folder, effect)
Both are the same on key action (Synth-action).

