Kurzweil SP4-8 vs Kurzweil SP8
| Kurzweil SP4-8 | Kurzweil SP8 | |
|---|---|---|
| Key action | 88-note hammer-weighted action with velocity sensitive adjustable keys (Fatar TP/100LR) | fully weighted hammer action |
| Polyphony | 64 | 256 |
| Sounds / presets | 128 | — |
| Sound engine | — | V.A.S.T. (FlashPlay sample playback) |
| Bluetooth | No | — |
| USB audio | No | — |
| Weight | 17.7 kg | — |
| Dimensions (W×D×H) | 1400 × 140 × 330 mm | — |
| Released | 2011 | 2026 |
| Release month | 1 | 2 |
| USB to host | yes | — |
| Discontinued | Yes | — |
| Status | legacy | current |
| Keys | 88 | 88 |
| Pedals | CC pedal input, switch pedal input | — |
Which one should you buy?
- Choose the Kurzweil SP8 if you layer sounds or use the sustain pedal heavily (64 vs 256).
Full spec sheets: Kurzweil SP4-8 · Kurzweil SP8. Rows with a highlighted background differ.