Casio PX-150 vs Kawai ES520
| Casio PX-150 | Kawai ES520 | |
|---|---|---|
| Key action | Tri-sensor Scaled Hammer Action II | Responsive Hammer Compact II action |
| Polyphony | 128 | 192 |
| Sounds / presets | 18 | 34 |
| Speakers | 16 W | 40 W |
| Bluetooth | No | Yes |
| USB audio | No | No |
| Weight | 11 kg | 14.5 kg |
| Released | 2012 | — |
| 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 14.5 kg).
- Choose the Kawai ES520 if you layer sounds or use the sustain pedal heavily (128 vs 192).
- Choose the Kawai ES520 if you want more variety of built-in voices (18 vs 34).
- Choose the Kawai ES520 if you practise out loud without an amp (16 W vs 40 W).
- Choose the Kawai ES520 if you want wireless MIDI/audio from a phone or tablet.
Full spec sheets: Casio PX-150 · Kawai ES520. Rows with a highlighted background differ.