YAMAHA CLP-645 Digital Piano


HK$17,980.00  HK$21,880.00

YAMAHA CLP600 series digital pianos replace the original CLP500 series,

Reservations will be accepted in May 2017.

On April 6, 2017, the Japanese press conference:

The newly released YAMAHA CLP-600 series includes the following models:

Yamaha CLP-625; Yamaha CLP-635; Yamaha CLP-645; 

Yamaha CLP-675; Yamaha CLP-685

Replace the old CLP-500 series models:

Yamaha CLP-525; Yamaha CLP-535; Yamaha CLP-545

Yamaha CLP-575; Yamaha CLP-585

The following is the audition film of Grand Piano Tone:

Grand Piano Tone's audition film (2):

Yamaha Clavinova 600 series, the main selling point is that its CFX grand piano sound generator, CLP-625 or above models, are already equipped with this technology.

Celebrities' sharing of the latest YAMAHA CLP-600 series:

David Kaplan talks about Yamaha CLP-685 digital piano

Stephen Pierce talks about the Yamaha CLP-645 digital piano:

Akira Imai talks about Yamaha CLP-635 digital piano:

Yurie Miura 's opinion on YAMAHA CLP-625 digital piano:

The improvements of the Yamaha CLP 600 series this time are mainly in terms of keyboard and sound source . The following is a comparison of each model:

Yamaha CLP 625 Digital Piano

Keyboard: GH3 (Graded Hammer 3) from CLP-525 ,

Improved to GH3X (Graded Hammer 3X) keyboard

The dynamic induction of the keyboard is more detailed, imitating the feel of a real piano.

Audio source: CFIIIS audio source from CLP-525,

Improved to the flagship CFX sound source, it was only used in the CP series in the past.

Yamaha CLP 635 Digital Piano

CLP635 is basically the same as the previous model, mainly this time adding the Auto Power Off function.

Yamaha CLP 645 digital piano

NWX (Natural Wood X) keyboard is also used on the CLP645 keyboard,

But on the sound source, Yamaha CFX Binaural Sampling ’s binaural sampling technology was added,

Make the piano sound more three-dimensional than the previous generation.

Yamaha CLP 675 digital piano

The binaural sampling technology of Yamaha CFX Binaural Sampling is also added.


Yamaha CLP 685 digital piano

Compared with the previous generation, besides adding Yamaha CFX Binaural Sampling 's binaural sampling technology,

The W number on the speaker has also increased.

From the original (30W + 30W + 30W) x 2 to a (50 W + 50 W + 50 W) x 2 speaker,

The sound output is greatly improved by 60% , the piano sound is more real, and the bass is more stable.

  • CFX and Bösendorfer Imperial piano samples
  • CFX Binaural sampling
  • Improved VRM (Virtual Resonance Modeling)
  • Smooth Release
  • Key-Off samples
  • String Resonance
  • Damper Resonance
  • 256-note polyphony
  • 36 Voices
  • NWX (Natural Wood X) keyboard with synthetic ebony and ivory keytops (wood is used for the white keys)
  • Escapement
  • 128 x 64 full dot LCD
  • Dual/Split/Duo
  • Digital effects (Reverb/Chorus/Brilliance/Effect)
  • 19 Voice Demo Songs + 50 Piano Songs* + 303 Lesson Songs (*The Clavinova comes with a book of music scores)
  • 20 rhythms
  • 16-track recording
  • USB Audio Recorder (Playback/Recording: WAV)
  • Dual headphone jacks
  • (25 W + 25 W) x 2 amplifiers
  • (16 cm + 8 cm) x 2 speaker system
  • Acoustic Optimizer
  • Intelligent Acoustic Control (IAC)
  • Stereophonic Optimizer
  • Music braces
  • Built-in Bluetooth for wireless connection to iPhone, iPad, iPod Touch or Andoroid


Dimensions Width 1,461 mm (57-1/2") (Polished finish: 1,466 mm (57-11/16"))
Height 927 mm (36-1/2") (Polished finish: 930 mm (36-5/8"))
Depth 459 mm (18-1/16") (Polished finish: 459 mm (18-1/16"))
Weight Weight 60.0 kg (132 lb, 4 oz) (Polished finish: 66.0 kg (145 lb, 8 oz))

Control Interface

Keyboard Number of Keys 88
Type NWX (Natural Wood X) keyboard: wooden keys (white only), synthetic ebony and ivory keytops, escapement
Touch Sensitivity Hard2/Hard1/Medium/Soft1/Soft2/Fixed
Pedal Number of Pedals 3
Half Pedal Yes
Functions Sustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause
Display Type Full Dots LCD
Size 128 x 64 dots
Language English, Japanese
Panel Language English


Key Cover Key Cover Style Sliding
Music Rest Yes
Music Braces Yes


Tone Generation Piano Sound Yamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling
Binaural Sampling Yes (CFX Grand Voice only)
Key-off Samples Yes
Smooth Release Yes
Polyphony Number of Polyphony (Max.) 256
Preset Number of Voices 36


Types Reverb 6
Chorus 3
Brilliance 7
Master Effect 11
Intelligent Acoustic Control (IAC) Yes
Stereophonic Optimizer Yes
Functions Dual/Layers Yes
Split Yes
Duo Yes


Preset Number of Preset Songs 19 Voice Demo Songs + 50 Classics + 303 Lesson Songs
Recording Number of Songs 250
Number of Tracks 16
Data Capacity Approx. 500KB/Song
Compatible Data Format Playback SMF (Format 0, Format 1)
Recording SMF (Format 0)


Piano Room Yes
USB Audio Recorder Playback .wav (44.1 kHz sample rate, 16-bit resolution, stereo)
Recording .wav (44.1 kHz sample rate, 16-bit resolution, stereo)
Overall Controls Metronome Yes
Tempo Range 5 ‒ 500
Transpose -12 ‒ 0 ‒ +12
Tuning 414.8 ‒ 440.0-466.8 Hz (approx. 0.2 Hz increments)
Scale Type 7 types
Other Control Tuning, Scale Type, etc.
Rhythm 20
Bluetooth Yes

Storage and Connectivity

Storage Internal Memory Total maximum size approx. 1.5 MB
External Drives USB flash drive
Connectivity Headphones Standard stereo phone jack (x 2)
AUX IN Stereo Mini

Amplifiers and Speakers

Amplifiers (25 W + 25 W) x 2
Speakers (16 cm + 8 cm) x 2
Acoustic Optimizer Yes

Power Supply

Power Consumption Power consumption is described on or near the name plate, which is at the bottom of the unit.
Auto Power Off Yes


Accessories Owner's Manual, Warranty*, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Bench*, Power cord *May not be included depending on your area. Check with your Yamaha dealer.

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