Casio PX-150 vs Yamaha P-S500
| Casio PX-150 | Yamaha P-S500 | |
|---|---|---|
| Key action | Tri-sensor Scaled Hammer Action II | GHS (Graded Hammer Standard) keyboard with matte black keytops |
| Polyphony | 128 | 256 |
| Sounds / presets | 18 | 660 |
| Sound engine | — | AWM stereo sampling: Yamaha CFX + Boesendorfer Imperial, Virtual Resonance Modeling (VRM), binaural CFX sampling |
| Effects | — | Reverb 58 types (5 without Smart Pianist), Intelligent Acoustic Control, Stereophonic Optimizer, Vocal Harmony 44 presets |
| Speakers | 16 W | 52 W |
| Bluetooth | No | — |
| USB audio | No | Yes |
| Pads / faders | — | no |
| Weight | 11 kg | 21.8 kg |
| Dimensions (W×D×H) | — | [1329, 167, 410] mm |
| Battery power | — | no |
| Released | 2012 | 2023 |
| Status | legacy | current |
| Keys | 88 | 88 |
Which one should you buy?
- Choose the Casio PX-150 if lighter to carry to gigs and lessons (11 kg vs 21.8 kg).
- Choose the Yamaha P-S500 if you layer sounds or use the sustain pedal heavily (128 vs 256).
- Choose the Yamaha P-S500 if you want more variety of built-in voices (18 vs 660).
- Choose the Yamaha P-S500 if you practise out loud without an amp (16 W vs 52 W).
Full spec sheets: Casio PX-150 · Yamaha P-S500. Rows with a highlighted background differ.