Casio CT-S300 vs Yamaha PSR-S670
| Casio CT-S300 | Yamaha PSR-S670 | |
|---|---|---|
| Key action | 61 keys; Touch Response: 2 levels, Off | Organ, Initial Touch |
| Polyphony | 48 | 128 |
| Sounds / presets | 400 | 416 |
| Accompaniment styles | — | 230 |
| Speakers | 5 W | 30 W |
| Bluetooth | No | — |
| USB audio | No | — |
| Weight | 3.3 kg | 8.1 kg |
| Dimensions (W×D×H) | 930 × 256 × 73 mm | — |
| Released | 2019 | 2015 |
| Release month | 11 | 7 |
| USB to host | yes (USB port Micro-B) | — |
| Discontinued | — | 2020 |
| Status | current | discontinued |
| Keys | 61 | 61 |
Which one should you buy?
- Choose the Casio CT-S300 if lighter to carry to gigs and lessons (3.3 kg vs 8.1 kg).
- Choose the Yamaha PSR-S670 if you layer sounds or use the sustain pedal heavily (48 vs 128).
- Choose the Yamaha PSR-S670 if you want more variety of built-in voices (400 vs 416).
- Choose the Yamaha PSR-S670 if you practise out loud without an amp (5 W vs 30 W).
Full spec sheets: Casio CT-S300 · Yamaha PSR-S670. Rows with a highlighted background differ.