Yamaha Arius YDP-S55 Digital Piano

Graded Hammer 3 (GH3) weighted keys, CFX Stereo Sampling, and Virtual Resonance Modeling lend the Arius YDP-S55 piano an authentic playing feel and sound.

Designed for beginner to advanced pianists, the YDP-S55 features an improved sound engine to the Yamaha CFX concert grand piano, and the touch of the revered Graded Hammer 3 (GH3) keyboard with synthetic ebony and ivory key tops. The YDP-S55 features a slim design, making it an ideal choice for those with space constraints, such as college students or people living in smaller apartments.

Connecting to the Smart Pianist app for iOS adds a graphic user interface that makes selecting Voices or configuring settings even easier. Smart Pianist can even analyze songs stored in your music library and display a chord chart, allowing you to learn and play along with your favorite songs.


- CFX Stereo Sampling faithfully reproduces the sound of Yamaha's flagship CFX Full Concert Grand.
- Graded Hammer 3 (GH3) with synthetic ebony and ivory key tops add a tactile surface to the keys, which absorbs finger moisture and prevents slipping.
- VRM (Virtual Resonance Modeling) Lite technology makes the sound more like that of a real acoustic piano by reproducing the sophisticated string resonance of an acoustic piano.
- Intelligent Acoustic Control (IAC) automatically adjusts the EQ of the built-in stereo speaker system to the player's setting, ensuring the richest tone at any volume level.
- Stereophonic Optimizer adjusts the spatial distribution of sound in the listener's headphones, creating the sensation that sound is coming directly from the piano, rather than from the read more headphones.
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- Dimensions:
- Width: 1,353 mm [53-1/4"]
- Height: 792 mm [31-3/16"] (Key cover open: 976 mm [38-27/64"])
- Depth: 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"].
- Weight: 40.0 kg (88 lbs., 3 oz.)
- Control Interface:
- Keyboard:
- Number of Keys: 88
- Type: GH3 keyboard with synthetic ebony and ivory keytops
- Touch Response: Hard/Medium/Soft/Fixed
- Pedal:
- Number of Pedals: 3: Damper (with half-pedal function), Sostenuto, Soft
- Half Pedal: Yes
- Functions: Damper, Sostenuto, Soft
- Panel:
- Language: English
- Cabinet:
- Key Cover
- Key Cover Style: Folding
- Music Rest: Yes
- Voices:
- Tone Generation
- Piano Sound: Yamaha CFX
- Key-off Samples: Yes
- Smooth Release: Yes
- Virtual Resonance Modeling Lite (VRM Lite): Yes
- Polyphony
- Number of Polyphony (Max.): 192
- Preset
- Number of Voices: 10
- Effects:
- Types
- Reverb: 4
- Intelligent Acoustic Control (IAC): Yes
- Stereophonic Optimizer: Yes
- Functions
- Dual/Layers: Yes
- Duo: Yes
- Songs:
- Preset:
- Number of Preset Songs: 10 voice demo songs + 50 classics + 303 lesson songs
- Recording:
- Number of Songs: 1
- Number of Tracks: 2
- Data Capacity: Approx. 150 KB/Song (approx. 11,000 notes)
- Compatible Data Format:
- Playback: SMF (Format 0, Format 1)
- Recording: SMF (Format 0)
- Functions:
- Overall Controls
- Metronome: Yes
- Tempo Range: 5 - 280
- Transpose: -6 - 0 - +6
- Tuning: 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments)
- Storage and Connectivity:
- Connectivity
- Headphones: Standard stereo phone jack (x 2)
- DC IN: 16 V
- Amplifiers and Speakers:
- Amplifiers: 20 W x 2
- Speakers: 12 cm x 2
- Power Supply:
- Power Consumption: 13 W (When using PA-300C AC adaptor)
- Auto Power Off: Yes
- Power Supply: PA-300C
- Accessories: Owner's Manual, 50 Classical Music Masterpieces Music Book, Online Member Product Registration, Warranty*, Power cord*/AC adaptor* PA-300C *varies by area
Dimensions and Weight in Packaging
Black Walnut
Shipping Weight: 113 lbs
Shipping Dimensions: 58 x 21 x 17 in
Manufacturer Part Number (MPN): YDPS55B
White Walnut
Shipping Weight: 113 lbs
Shipping Dimensions: 58 x 21 x 17 in
Manufacturer Part Number (MPN): YDPS55WH

For support or warranty questions, please contact the manufacturer:
Phone: 714-522-9011
Web: https://usa.yamaha.com/support

Black Walnut

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