YDP-165 YDP-145 YDP-S55 YDP-S35
Dimensions Width 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 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 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 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
Type 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 Response Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed
Pedal Number of Pedals 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
Functions Damper, Sostenuto, Soft Damper, Sostenuto, Soft Damper, Sostenuto, Soft Damper, Sostenuto, Soft
Display Type - - - -
Size - - - -
Language - - - -
Panel Language English English English English
Key Cover Key Cover Style Sliding Sliding Folding Folding
Music Rest Yes Yes Yes Yes
Music Clips Yes - - -
Tone Generation Piano Sound Yamaha CFX Yamaha CFX Yamaha CFX Yamaha CFX
Key-off Samples Yes Yes Yes Yes
Smooth Release Yes - Yes -
Virtual Resonance Modeling (VRM) - - - -
Virtual Resonance Modeling Lite (VRM Lite) Yes Yes Yes Yes
Polyphony Number of Polyphony (Max.) 192 192 192 192
Preset Number of Voices 10 10 10 10
Types Reverb 4 4 4 4
Chorus - - - -
Brilliance - - - -
Master Effect - - - -
Intelligent Acoustic Control (IAC) Yes Yes Yes Yes
Stereophonic Optimizer Yes Yes Yes Yes
Functions Dual/Layers Yes Yes Yes Yes
Split - - - -
Duo Yes Yes Yes Yes
Preset Number of Preset 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 10 voice demo songs + 50 classics + 303 lesson songs
Recording Number of Songs 1 1 1 1
Number of Tracks 2 2 2 2
Data Capacity 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)
Recording SMF (Format 0) SMF (Format 0) SMF (Format 0) SMF (Format 0)
Piano Room - - - -
Overall Controls Metronome Yes Yes Yes Yes
Tempo Range 5 – 280 5 – 280 5 – 280 5 – 280
Transpose -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)
Scale Type - - - -
Rhythm - - - -
Storage Internal Memory - - - -
External Drives - - - -
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)
MIDI - - - -
AUX IN - - - -
AUX OUT - - - -
USB TO DEVICE - - - -
USB TO HOST Yes Yes Yes Yes
DC IN 16 V 12 V 16 V 12 V
Amplifiers 20 W x 2 8 W x 2 20 W x 2 8 W x 2
Speakers 12 cm x 2 12 cm x 2 12 cm x 2 12 cm x 2
Power Consumption 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
Power Supply Adaptors 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*, 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