Arturia AstroLab 37 vs Hammond XK-4
| Arturia AstroLab 37 | Hammond XK-4 | |
|---|---|---|
| Key action | slim synth-action with aftertouch | 61 keys, semi-weighted, "waterfall" style, velocity sensitive |
| Aftertouch | yes | — |
| Polyphony | — | 61 |
| Sounds / presets | — | 100 |
| Sound engine | Analog Lab-based stage keyboard; 40+ instrument engines, 1800+ presets | — |
| Bluetooth | — | No |
| USB audio | — | No |
| Weight | — | 9.4 kg |
| Dimensions (W×D×H) | — | 1004 × 322 × 109 mm |
| Released | 2025 | 2023 |
| Release month | 11 | — |
| USB to host | — | yes |
| Status | current | current |
| Keys | 37 | 61 |
| Screens | 1 | — |
| Pedals | — | Damper pedal, EXP pedal, Foot switch, Leslie switch |
Full spec sheets: Arturia AstroLab 37 · Hammond XK-4. Rows with a highlighted background differ.