Yamaha YDP-S55
- Keys: 88-note GH3 keyboard with synthetic ebony and ivory textured keytops
- Dimensions: (W x D x H, mm) 1353 x 309 x 792 (Closed), 1353 x 317 x 976 (Open)
- Weight (kg): 40
- Sounds: 10
- Polyphony: 192
- Pedals: Damper, Sostenuto, Soft (Half-pedalling supported)
- Speakers: 2 x 20W, 12cm