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Graded Hammer (GH) Keyboard

Just as on a traditional acoustic piano, lower notes on a GH keyboard have a heavier touch, while the higher ones are more responsive to lighter playing. GH features an extra key sensor capable of reproducing fast repetitive playing of a single note with perfect articulation. The matte finish of the black keys enhances the keyboard's luxurious appearance.

Variable Touch Sensitivity Via Dedicated Panel Button

Use the dedicated “TOUCH” button on the front panel, select the hard, medium or soft setting to match your playing style or finger strength. Turn off sensitivity for a fixed response setting, ideal when playing the organ.

Advanced Wave Memory (AWM) Dynamic Stereo Sampling

The AWM (Advanced Wave Memory) is a sampling system which creates the realism of an acoustic instrument by using digital technology to record the instrument sound and applying high-quality digital filter technology to the recorded audio samples. The waveform of the sound created by playing the key of an acoustic piano differs depending on the playing strength from pianissimo to fortissimo. The AWM Dynamic Stereo Sampling can produce such dynamic nuances by recording samples of various playing strengths. The greater the number of samples used, the higher the expression.

USB connectivity for storing and playing music

Insert an optional USB storage device into the USB port to save and transfer your performances.

128-note Polyphony

Conventional digital pianos quickly run out of notes during fast, dense legato passages: sustained notes are cut off as the instrument "steals" notes to make room for new notes. A maximum of up to 128-note can be played at once.

Damper Resonance

Damper Resonance samples provided the rich and broadening tones produced in pedaling. Using these comprehensive gradations, YDP-181 model can realistically reproduce the complex sounds of a grand piano.

Song Recorder

The built-in, 3-song performance memory allows you to record a song, then step into the spotlight and solo over it. Best of all, you can change tempo or Voices even after you've recorded your performance. There's also a built-in metronome to help you stay in perfect time. Once you’ve recorded your song, you can transfer them to a USB flash drive via the USB TO DEVICE port and load them on to your computer for backup, import into a notation program for printing or into a MIDI sequencing program for further editing.

50 Preset Piano Songs

50 classic piano songs are provided in the song player and as a music book, "50 Greats for the Piano." These songs can be used for background music or as learning reference.

Stereo 16cm Speakers

Enjoy full, stereo sound from the built-in stereo 16cm speakers. Bigger speakers mean deeper lows for greater bass response.



DimensionsWidth1,364 mm (53-11/16")
Height853 mm (33-9/16")
Depth515 mm (20-1/4")
WeightWeight50 kg (110lbs., 4 oz.)

Control Interface

KeyboardNumber of Keys88
TypeGraded Hammer (GH) Keyboard
Touch SensitivityYes
PedalNumber of Pedals3
Half PedalYes
FunctionsDamper (with half-pedal effect), Sostenuto, Soft
Size7-segment, 3-digit


Key CoverKey Cover StyleSliding
Music RestYes


Tone GenerationTone Generating TechnologyAWM Dynamic Stereo Sampling
Number of Dynamic Levels3
PolyphonyNumber of Polyphony (Max.)128
PresetNumber of Voices14


TypesReverb4 types


PresetNumber of Preset Songs14 Demo Songs, 50 Piano Prest Songs
RecordingNumber of Songs3
Number of Tracks2
Data CapacityUser songs (100KB x 3), External songs (639KB)
Recording FunctionYes
Compatible Data FormatPlaybackSMF (Format 0 & 1)
RecordingSMF (Format 0)


Overall ControlsMetronomeYes
Tempo Range32-280
Transpose-12 to 0, 0 to +12
Scale Type7 types

Storage and Connectivity

StorageInternal Memory100KB x 3 (ca. 11,000 notes x 3)
External DrivesOptional
ConnectivityHeadphonesx 2

Amplifiers and Speakers

Amplifiers20W x 2
Speakers16cm x 2


Included AccessoriesHeadphones HangerYes
Song Book"50 greats for the Piano"
BenchBC-100 Standard