Casio PX-150 vs Kawai CA901
| Casio PX-150 | Kawai CA901 | |
|---|---|---|
| Key action | Tri-sensor Scaled Hammer Action II | Grand Feel III (GFIII) wooden-key action with graded hammers, Ivory/Ebony Touch keytops, let-off, triple sensor and 88-key graded counterweights |
| Polyphony | 128 | 256 |
| Sounds / presets | 18 | 96 |
| Sound engine | — | SK-EX Rendering (88-key multi-channel sampling) + Harmonic Imaging XL (HI-XL) |
| Effects | — | SK-EX Rendering Ambience 10 types, Reverb 6 types, Brilliance, 24 other effect types, Virtual Piano Artisan (20 parameters) |
| Speakers | 16 W | 135 W |
| Bluetooth | No | Yes |
| USB audio | No | Yes |
| Pads / faders | — | no |
| Weight | 11 kg | 82.5 kg |
| Dimensions (W×D×H) | — | [1455, 1010, 475] 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 82.5 kg).
- Choose the Kawai CA901 if you layer sounds or use the sustain pedal heavily (128 vs 256).
- Choose the Kawai CA901 if you want more variety of built-in voices (18 vs 96).
- Choose the Kawai CA901 if you practise out loud without an amp (16 W vs 135 W).
- Choose the Kawai CA901 if you want wireless MIDI/audio from a phone or tablet.
Full spec sheets: Casio PX-150 · Kawai CA901. Rows with a highlighted background differ.