Casio AP-270 vs Donner OURA S300
| Casio AP-270 | Donner OURA S300 | |
|---|---|---|
| Key action | — | Graded Hammer Standard keybed |
| Polyphony | 128 | 256 |
| Sounds / presets | 22 | 15 |
| Speakers | — | 30 W |
| Bluetooth | — | Yes |
| USB audio | — | No |
| Weight | — | 34.3 kg |
| Dimensions (W×D×H) | — | 1289 × 379 × 928 mm |
| Released | 2017 | 2024 |
| Release month | 7 | — |
| Status | discontinued | current |
| Keys | — | 88 |
| Songs | — | 3 |
| Usb | — | yes |
| Power | — | DC 12V 3A |
| Connectivity | — | Bluetooth Audio/MIDI, USB MIDI, Aux IN |
Which one should you buy?
- Choose the Casio AP-270 if budget is the priority — it is about $75.99 cheaper (approx.).
- Choose the Donner OURA S300 if you layer sounds or use the sustain pedal heavily (128 vs 256).
- Choose the Casio AP-270 if you want more variety of built-in voices (22 vs 15).
Full spec sheets: Casio AP-270 · Donner OURA S300. Rows with a highlighted background differ.