YDP-164 YDP-144 YDP-S54 YDP-S34
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"] 815 mm [32-1/16"] 792 mm [31-3/16"] (Key cover open 976mm[38-27/64"]) 792mm [31-3/16'] (Key cover open 968mm [38-27/64'])
Depth 422 mm [16-5/8"] 422 mm [16-5/8"] 309 mm [12-11/64"](Key cover open 317 mm [12-15/32"]) *With anti-fall brackets attached: 404 mm [15-57/64"] 296 mm [11-5/8'](Key cover open 309 mm [12-3/16']) *With anti-fall brackets attached: 388 mm [15-1/4']
Weight Weight 42.0 kg (92 lbs., 10 oz) 38.0 kg (83 lbs., 12 oz) 40.0 kg (88 lbs., 3 oz.) 35.9 kg (79lbs., 2 oz.)
Keyboard Number of Keys 88 88 88 88
Tipo GH3 keyboard with synthetic ebony and ivory keytops GHS keyboard with matte black key tops 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 3 3 3
Half Pedal Yes Yes Yes Yes
Functions Damper/Sostenuto/Soft Damper/Sostenuto/Soft Damper/Sostenuto/Soft Damper/Sostenuto/Soft
Panel Language English English English English
Key Cover Key Cover Style Sliding Sliding Folding Folding
Music Rest Yes Yes Yes Yes
Tone Generation Piano Sound Yamaha CFX Yamaha CFX Yamaha CFX Yamaha CFX
Damper Resonance Yes Yes Yes Yes
Polyphony Number of Polyphony (Max.) 192 192 192 192
Preset Number of Voices 10 10 10 10
Types Reverb 4 types 4 types 4 types 4 types
Intelligent Acoustic Control (IAC) Yes Yes Yes Yes
Stereophonic Optimizer Yes Yes Yes Yes
Damper Resonance Yes Yes Yes Yes
Preset Number of Preset Songs 10 Voice Demo Songs, 50 Classics 10 Voice Demo Songs, 50 Classics 10 Voice Demo Songs, 50 Classics 10 Demo Songs, 50 Piano Preset Songs
Recording Number of Songs 1 1 1 1
Number of Tracks 2 2 2 2
Data Capacity 100 KB/Song (Approx. 11,000 notes) 100 KB/Song (Approx. 11,000 notes) 100 KB/Song (Approx. 11,000 notes) 100 KB/Song (Approx. 11,000 notes)
Compatible Data Format Playback Standard MIDI File (SMF) Format 0 & 1 Standard MIDI File (SMF) Format 0 & 1 Standard MIDI File (SMF) Format 0 & 1 Standard MIDI File (SMF) Format 0 & 1
Recording Standard MIDI File (SMF) Format 0 Standard MIDI File (SMF) Format 0 Standard MIDI File (SMF) Format 0 Standard MIDI File (SMF) Format 0
Miscellaneous Dual/Layers Yes Yes Yes Yes
Duo Yes Yes Yes Yes
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 414.8 – 440.0 – 466.8 Hz 414.8 – 440.0 – 466.8 Hz 414.8 – 440.0 – 466.8 Hz
Storage Internal Memory Total maximum size approx. 900 KB (User song : One song approx. 100 KB Loading song data from a computer : Up to 10 songs) Total maximum size approx. 900 KB (User song : One song approx. 100 KB Loading song data from a computer : Up to 10 songs) Total maximum size approx. 900 KB (User song: One song approx. 100 KB, Loading song data from a computer: Up to 10 Songs) Total maximum size approx. 900 KB (User song: One song approx. 100 KB, Loading song data from a computer: Up to 10 Songs)
Extensive Connection 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
USB TO HOST Yes Yes Yes Yes
Amplifiers 20W x 2 8W x 2 20W x 2 8W x 2
Speakers 12cm x 2 12cm x 2 12cm x 2 12cm x 2
Power Supply PA-300C or an equivalent recommended by Yamaha PA-150 or an equivalent recommended by Yamaha PA-300C or an equivalent recommended by Yamaha PA-150 or an equivalent recommended by Yamaha
Power Consumption 13W (When using PA-300C AC adaptor) 9W (When using PA-150 AC adaptor) 13 W (When using PA-300C AC adapter) 9W (When using PA-150B AC adapter)
Auto Power Off Yes Yes Yes Yes
Acessórios incluídos Bench Yes (Optional depending on locale) Yes (Optional depending on locale) - -
Song Book 50 Classical Music Masterpieces (Music Book) 50 Classical Music Masterpieces (Music Book) 50 Classical Music Masterpieces (Music Book) 50 Classical Music Masterpieces (Music Book)
Others Owner's Manual, Quick Operation Guide Owner's Manual, Quick Operation Guide Owner's Manual, Quick Operation Guide Owner's Manual, Quick Operation Guide