Casio AP-270 vs Yamaha YDP-S55
| Casio AP-270 | Yamaha YDP-S55 | |
|---|---|---|
| Key action | — | GH3 (Graded Hammer 3) keyboard with synthetic ebony and ivory keytops |
| Polyphony | 128 | 192 |
| Sounds / presets | 22 | 10 |
| Sound engine | — | Yamaha CFX Sampling with VRM Lite (damper resonance and string resonance), key-off samples and Smooth Release |
| Effects | — | 4 reverb types, Intelligent Acoustic Control (IAC) and Stereophonic Optimizer |
| Speakers | — | 40 W |
| Bluetooth | — | No |
| USB audio | — | Yes |
| Pads / faders | — | no |
| Weight | — | 40 kg |
| Dimensions (W×D×H) | — | [1353, 309, 792] mm |
| Battery power | — | no |
| Released | 2017 | 2022 |
| Status | discontinued | current |
| Keys | — | 88 |
| Pedals | — | 3 pedals: damper (half-pedal), sostenuto, soft |
| Key Cover | — | folding |
Which one should you buy?
- Choose the Yamaha YDP-S55 if you layer sounds or use the sustain pedal heavily (128 vs 192).
- Choose the Casio AP-270 if you want more variety of built-in voices (22 vs 10).
Full spec sheets: Casio AP-270 · Yamaha YDP-S55. Rows with a highlighted background differ.