YDP-S55 88-Key Digital Piano New

YDP-184 YDP-165 YDP-145 YDP-S55 YDP-S35
Dimensions Width 1,461 mm (57-1/2") 1,357 mm [53-7/16"] 1,357 mm [53-7/16"] 1,353 mm [53-1/4"] 1,353 mm [53-1/4"]
Height 927 mm (36-1/2") 849 mm [33-27/64"] (With music rest raised: 1,003 mm [39-31/64"]) 815 mm [32-1/16"] (With music rest raised: 969 mm [38-1/8"]) 792 mm [31-3/16"] (Key cover open: 976 mm [38-27/64"]) 792 mm [31-3/16"] (Key cover open: 968 mm [38-1/8"]
Depth 459 mm (18-1/16") 422 mm [16-5/8"] 422 mm [16-5/8"] 309 mm [12-3/16"] (Key cover open: 317 mm [12-15/32"]) *With anti-fall brackets attached, the depth is 382 mm [15-3/64"]. 296 mm [11-5/8"] (Key cover open: 309 mm [12-3/16"]) *With anti-fall brackets attached, the depth is 366 mm [14-13/32"].
Weight Weight 56.0 kg (123 lb, 7 oz) 42.0 kg (92 lbs., 10 oz.) 38.0 kg (83 lbs., 12 oz.) 40.0 kg (88 lbs., 3 oz.) 37.0 kg (81 lbs.,9 oz.)
Packing Box Width - 1,449 mm [57-3/64"] 1,429 mm [56-17/64"] 1,463 mm [57-19/32"] 1,463 mm [57-19/32"]
Height - 479 mm [18-55/64"] 434 mm [17-3/32"] 524 mm [20-5/8"] 524 mm [20-5/8"]
Depth - 584 mm [22-63/64"] 564 mm [22-13/64"] 424 mm [16-11/16"] 424 mm [16-11/16"]
Keyboard Number of Keys 88 88 88 88 88
Type GH3 (Graded Hammer 3) keyboard: synthetic ebony and ivory keytops GH3 keyboard with synthetic ebony and ivory keytops GHS keyboard with matte black keytops GH3 keyboard with synthetic ebony and ivory keytops GHS keyboard with matte black keytops
Touch Sensitivity Hard2/Hard1/Medium/Soft1/Soft2/Fixed - - - -
Touch Response - Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed
Pedal Number of Pedals 3 3: Damper (with half-pedal function), Sostenuto, Soft 3: Damper (with half-pedal function), Sostenuto, Soft 3: Damper (with half-pedal function), Sostenuto, Soft 3: Damper (with half-pedal function), Sostenuto, Soft
Half Pedal Yes Yes Yes Yes Yes
Functions Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause Damper, Sostenuto, Soft Damper, Sostenuto, Soft Damper, Sostenuto, Soft Damper, Sostenuto, Soft
Display Type Full Dots LCD - - - -
Size 128 x 64 dot - - - -
Language English - - - -
Panel Language English English English English English
Key Cover Key Cover Style Sliding Sliding Sliding Folding Folding
Music Rest Yes Yes Yes Yes Yes
Music Clips - Yes - - -
Tone Generation Piano Sound Yamaha CFX Sampling Yamaha CFX Yamaha CFX Yamaha CFX Yamaha CFX
Key-off Samples Yes Yes Yes Yes Yes
Smooth Release Yes Yes - Yes -
Virtual Resonance Modeling (VRM) Yes - - - -
String Resonance Yes (VRM) - - - -
Damper Resonance Yes (VRM) - - - -
Virtual Resonance Modeling Lite (VRM Lite) - Yes Yes Yes Yes
Polyphony Number of Polyphony (Max.) 256 192 192 192 192
Preset Number of Voices 24 10 10 10 10
Compatibility - - - - -
Types Reverb 6 4 4 4 4
Chorus 3 - - - -
Brilliance 7 - - - -
Master Effect 11 - - - -
Intelligent Acoustic Control (IAC) Yes Yes Yes Yes Yes
Stereophonic Optimizer Yes Yes Yes Yes Yes
Functions Dual/Layers Yes Yes Yes Yes Yes
Split Yes - - - -
Duo Yes Yes Yes Yes Yes
Preset Number of Preset Songs 14 Voice Demo Songs + 50 Classics 10 voice demo songs + 50 classics + 303 lesson songs 10 voice demo songs + 50 classics + 303 lesson songs 10 voice demo songs + 50 classics + 303 lesson songs 10 voice demo songs + 50 classics + 303 lesson songs
Recording Number of Songs 250 1 1 1 1
Number of Tracks 16 2 2 2 2
Data Capacity Approx. 500 KB/Song Approx. 150 KB/Song (approx. 11,000 notes) Approx. 100 KB/Song (approx. 11,000 notes) Approx. 150 KB/Song (approx. 11,000 notes) Approx. 100 KB/Song (approx. 11,000 notes)
Compatible Data Format Playback SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1) SMF (Format 0, Format 1)
Recording SMF (Format 0) SMF (Format 0) SMF (Format 0) SMF (Format 0) SMF (Format 0)
Piano Room Yes - - - -
Overall Controls Metronome Yes Yes Yes Yes Yes
Tempo Range 5 ‒ 500 5 – 280 5 – 280 5 – 280 5 – 280
Transpose -12 ‒ 0 ‒ +12 -6 – 0 – +6 -6 – 0 – +6 -6 – 0 – +6 -6 – 0 – +6
Tuning 414.8 ‒ 440.0 - 466.8 Hz (approx. 0.2 Hz increments) 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments) 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments) 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments) 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments)
Scale Type 7 types - - - -
Other Control Tuning, Scale Type, etc. - - - -
Rhythm 20 - - - -
Miscellaneous Dual/Layers Yes - - - -
Duo Yes - - - -
Metronome Yes - - - -
Tempo Range 5 – 280 - - - -
Transpose -6 – 0 – +6 - - - -
Tuning 414.8 – 440.0 – 466.8 Hz - - - -
Storage Internal Memory Total maximum size approx. 1.5 MB - - - -
External Drives USB flash drive - - - -
Connectivity Headphones Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2) Standard stereo phone jack (x 2)
MIDI [IN] [OUT] [THRU] - - - -
AUX IN Stereo Mini - - - -
AUX OUT [L/L+R] [R] - - - -
USB TO DEVICE Yes - - - -
USB TO HOST Yes Yes Yes Yes Yes
DC IN - 16 V 12 V 16 V 12 V
Amplifiers 30 W x 2 20 W x 2 8 W x 2 20 W x 2 8 W x 2
Speakers 16 cm x 2 12 cm x 2 12 cm x 2 12 cm x 2 12 cm x 2
Acoustic Optimizer Yes - - - -
Power Consumption 20 W (When using PA-300C AC adaptor) 13 W (When using PA-300C AC adaptor) 9 W (When using PA-150 AC adaptor) 13 W (When using PA-300C AC adaptor) 9 W (When using PA-150 AC adaptor)
Auto Power Off Yes Yes Yes Yes Yes
Power Supply Adaptors PA-300C or an equivalent recommended by Yamaha PA-300C PA-150 or an equivalent recommended by Yamaha PA-300C PA-150 or an equivalent recommended by Yamaha
Accessories Owner's Manual, 50 Classical Music Masterpieces Music Book, Online Member Product Registration, Warranty*, Bench* *varies by area Owner's Manual, 50 Classical Music Masterpieces Music Book, Online Member Product Registration, Warranty*, Bench*, Power cord*/AC adaptor* PA-300C *varies by area Owner's Manual, 50 Classical Music Masterpieces Music Book, Online Member Product Registration, Warranty*, Bench*, Power cord*/AC adaptor* PA-150 or an equivalent recommended by Yamaha *varies by area Owner's Manual, 50 Classical Music Masterpieces Music Book, Online Member Product Registration, Warranty*, Power cord*/AC adaptor* PA-300C *varies by area Owner's Manual, 50 Classical Music Masterpieces Music Book, Online Member Product Registration, Warranty*, Power cord*/AC adaptor* PA-150 or an equivalent recommended by Yamaha *varies by area