Casio PX-150 vs Yamaha AvantGrand NU1X
| Casio PX-150 | Yamaha AvantGrand NU1X | |
|---|---|---|
| Key action | Tri-sensor Scaled Hammer Action II | Specialized Upright Piano Action for NU1X (real upright action with non-contact optical key sensors) |
| Polyphony | 128 | 256 |
| Sounds / presets | 18 | 15 |
| Sound engine | — | Spatial Acoustic Sampling (Yamaha CFX + Boesendorfer Imperial, binaural), Virtual Resonance Modeling (VRM) |
| Effects | — | Reverb, Intelligent Acoustic Control, Stereophonic Optimizer |
| Speakers | 16 W | 180 W |
| Bluetooth | No | Yes |
| USB audio | No | No |
| Pads / faders | — | no |
| Weight | 11 kg | 111 kg |
| Dimensions (W×D×H) | — | [1501, 1024, 463] mm |
| Battery power | — | no |
| Released | 2012 | 2018 |
| Status | legacy | legacy |
| Keys | 88 | 88 |
Which one should you buy?
- Choose the Casio PX-150 if budget is the priority — it is about $6300 cheaper (approx.).
- Choose the Casio PX-150 if lighter to carry to gigs and lessons (11 kg vs 111 kg).
- Choose the Yamaha AvantGrand NU1X if you layer sounds or use the sustain pedal heavily (128 vs 256).
- Choose the Casio PX-150 if you want more variety of built-in voices (18 vs 15).
- Choose the Yamaha AvantGrand NU1X if you practise out loud without an amp (16 W vs 180 W).
- Choose the Yamaha AvantGrand NU1X if you want wireless MIDI/audio from a phone or tablet.
Full spec sheets: Casio PX-150 · Yamaha AvantGrand NU1X. Rows with a highlighted background differ.