Yamaha PSR-S770 specs
Arranger keyboard specs verified against manufacturer documentation.
Brand: Yamaha
6.8/ 10
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830 tones, 128-note polyphony and 30 W - the S-series rung below the S970, itself replaced by the SX line.
#33 of 79 arranger keyboards · full ranking| Status | legacy |
|---|---|
| Keys | 61 |
| Key action | Organ, Initial Touch |
| Polyphony | 128 |
| Sounds / presets | 830 |
| Speakers | 30 W |
| Weight | 11.1 kg |
| Bluetooth | No |
| USB audio | No |
| Touch Response | Hard1, Hard2, Medium, Soft1, Soft2 |
| Foot Pedal | 1 (SUSTAIN), 2 (ARTICULATION), Function Assignable |
| USB to host | yes |
| Discontinued | 1 |
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Spec source: usa.yamaha.com — verified 2026-10-10