Arturia KeyStep mk2vsArturia MicroLab mk3
Summary
Arturia KeyStep mk2 and Arturia MicroLab mk3: 2 Arturia controller keyboards compared side by side. They differ on 10 of 21 compared specifications.
| 2 items | Arturia KeyStep mk2CurrentView details → | Arturia MicroLab mk3CurrentView details → |
|---|---|---|
| General | ||
| Manufacturer | Arturia | Arturia |
| Status | Current | Current |
| Released | 2025 | 2025 |
| Keyboard | ||
| Keys | 32 | 25 |
| Key size | Slim | Slim |
| Key action | Synth-action | Synth-action |
| Aftertouch | Channel | None |
| Keybed | Arturia Slimkey with aftertouch | Arturia slim keys |
| Controls | ||
| Pads | 0 | 0 |
| Faders | 0 | 0 |
| Knobs / encoders | 1 | 0 |
| Display | OLED | None |
| Pitch / mod | Touch strips | Touch strips |
| Connectivity | ||
| USB | USB-C | USB-C |
| MIDI ports | DIN in, DIN out | — |
| CV / Gate out | Yes | No |
| Bluetooth MIDI | No | No |
| Pedal inputs | Sustain, Expression | Sustain |
| USB bus powered | Yes | Yes |
| Features & software | ||
| Features | Arpeggiator, Sequencer, Chord mode, Scale mode, Sync in/out | Chord mode |
| Bundled software | Analog Lab Intro, Ableton Live Lite | Analog Lab Intro, Ableton Live Lite |
| Size & weight | ||
| Colours | White | White |
| Dimensions (W × D × H) | 484 × 145 × 50 mm | 406 × 125 × 39 mm |
| Weight | 1.1 kg | 0.62 kg |
Key differences
- Keys: KeyStep mk2 – 32 MicroLab mk3 – 25
- Aftertouch: KeyStep mk2 – Channel MicroLab mk3 – None
- Keybed: KeyStep mk2 – Arturia Slimkey with aftertouch MicroLab mk3 – Arturia slim keys
- Knobs / encoders: KeyStep mk2 – 1 MicroLab mk3 – 0
- Display: KeyStep mk2 – OLED MicroLab mk3 – None
- CV / Gate out: KeyStep mk2 – Yes MicroLab mk3 – No
Both are the same on key action (Synth-action) and pads (0).

