• Portability and Performance:

  • Portable design suitable for practice and live performances.
  • Built-in speaker system allows playing with or without external amplification.
  • Controller App for iOS for customizing sounds and settings.

• Piano Quality and Capabilities:

  • Suitable for both experienced pianists and beginners.
  • Offers top-tier keyboard, piano voices, and sound reinforcement.

• Impressive Piano Voices:

  • Utilizes Pure CF Sound Engine for concert grand piano sensation.
  • Features unique functions: Key-off Samples, Sustain Sampling, String Resonance.

• Synthetic Ivory Keytops and Graded Hammer Action:

  • Graded Hammer (GH) action for a real grand piano feel.
  • Synthetic ivory keytops for better grip during extended playing.

• Meticulous Acoustic Design:

  • Circular speakers for natural vibration and balanced tone.
  • Built-in tweeters for brighter higher notes.
  • Dual 15W amps for powerful sound.

• Adjustable Sound for Environments:

  • Customizable Voice, volume, and tone settings.
  • Sound Boost for instant volume increase and greater presence.
  • EQ Sliders for adjusting low, mid, and high frequencies.

• Additional Features for Performances:

  • Ten rhythm patterns suitable for various music genres.
  • Multiple instrument sounds beyond pianos, allowing layering.
  • Speaker Cut-Off when connected to external speakers.
  • Panel Lock button for preventing accidental settings changes.
  • Adjustable keyboard response for different playing styles.

• The P-255 Controller App for iOS:

  • Controls various functions with an easy-to-use, touch-screen interface.
  • Allows layering Voices, managing recorded songs, and storing settings.
  • Requires Apple Lightning to USB Camera Adapter/iPad Camera Connection Kit or Yamaha cables.

• Other Practical Features:

  • Maximum Polyphony of 256 Notes for beautiful sustained sounds.
  • Built-in Piano Recording Studio to store performances in .wav format on USB.

SPECIFICATIONS

• Width: 1,326 mm [52-3/16"]
• Height: 129 mm [5-1/16"] (with music rest: 327 mm [12-7/8"])
• Depth: 272 mm [10-11/16"] (with music rest: 362 mm [14-1/4"])
• Weight: 11.5 kg [25 lb, 6 oz]

• Control Interface

  • Keyboard
    • Number of Keys: 88
    • Type: Graded Hammer (GH) Keyboard with Synthetic Ivory Keytops
    • Touch Sensitivity: Soft, Medium, Hard, Fixed
  • Display
    • Type: LED
    • Size: 7-Segment
    • Panel Language: English

• Voices

  • Tone Generation
    • Piano Sound: Pure CF Sound Engine
    • Stereo Sustain Samples: Yes
    • Key-off Samples: Yes
    • String Resonance: Yes
    • Damper Resonance: Yes
  • Polyphony
    • Number of Polyphony (Max.): 256
    • Preset Number of Voices: 24 (Grand Piano: 4, E.Piano: 4, Organ: 4, CLV/VIB: 4, Others: 8)
  • Effects
    • Reverb: 4 types (Room, Hall1, Hall2, Stage)
    • Chorus: Yes
    • Phaser: Yes
    • Rotary Speaker: Yes
    • Tremolo/Auto Pan: Yes
    • Equalizer: 3 bands
    • SOUND BOOST: 3 types
  • Functions
    • Dual/Layers: Yes
    • Split: Yes

• Rhythm

  • Preset
    • Number of Rhythm: 10
    • Functions: Start/Stop, Intro/Ending

• Songs

  • Preset
    • Number of Preset Songs: 24 Voice Demo Songs, 50 Piano Preset Songs
  • Recording
    • Number of Songs: 10
    • Number of Tracks: 2
    • Data Capacity: approx. 1.5 MB (approx. 550KB/Song)
    • Compatible Data Format: Playback (SMF Format 0, Format 1), Recording (SMF Format 0)
  • Other Functions
    • Part Cancel, A-B Repeat, Start/Stop with pedal, Changing Voice & tempo after recording

• Songs (Audio)

  • Recording Time: 80 minutes/Song
  • Compatible Data Format
    • Recording: .wav (44.1 kHz sample rate, 16-bit resolution, stereo)
    • Playback: .wav (44.1 kHz sample rate, 16-bit resolution, stereo)

• Functions

  • Overall Controls
    • Metronome: Yes
    • Tempo Range: 5 - 500
    • Transpose: -12 to 0, 0 to +12
    • Tuning: 414.8 - 440 - 466.8 Hz
    • Scale Type: 7 types

• Storage and Connectivity

  • Storage
    • Internal Memory: approx. 1 MB
    • External Drives: USB Flash Memory (optional)
  • Connectivity
    • DC IN: DC IN 16V
    • Headphones: x 2
    • Sustain Pedal: Yes
    • Pedal Unit: Yes
    • MIDI: In/Out
    • AUX IN: Yes
    • AUX OUT: [L/L+R][R]
    • USB TO DEVICE: Yes
    • USB TO HOST: Yes

• Amplifiers and Speakers

  • Amplifiers: 15W x 2
  • Speakers: (10cm + 2.5cm) x 2

• Power Supply

  • Power Supply: AC Power Adaptor (PA-300C or equivalent recommended by Yamaha)
  • Power Consumption: 15W (when using the PA-300C)
  • Auto Power Off Function: Yes

• Accessories

  • Included Accessories
    • Music Rest: Yes
    • Pedal/Footswitch: FC4