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Yamaha Clavinova CLP645 digital piano - Black walnut

Ref: Yamaha CLP645B new
  • Powerful amplification system comprising of (25w+25w) x 2 amplifier with (16cm + 8cm) x 2 speakers
  • Built-in Bluetooth for wireless connection to iPhone, iPad, iPod Touch or Android
  • Fantastic quality mid-range Yamaha Clavinova digital piano model, new for 2017
  • 88 note NWX graded hammer action keyboard with wooden naturals with synthetic ivory tops
  • Two concert grand pianos in one - Yamaha's flagship CFX and Bosendorfer Imperial
  • Virtual Resonance Modelling on piano sounds for a stunningly realistic sound
inc. VAT (RRP £2,634)
Currently out of stock
ETA 4-5 days.
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Rent-to-own from
£51.10 per month

Rental with the option to own a revolutionary new concept in musical instrument hire


Cancel anytime after three months into the plan and return the instrument...


...or complete the plan and the instrument is yours to keep!
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  • Info Full description
  • Spec Specification
  • Star Reviews
Info Full description
What we think of the Yamaha CLP645 digital piano

The NEW Yamaha 600 series range of CLP clavinovas are another major step forward for digital piano technology, launched at the Frankfurt Music Messe in April 2017 they are already set to be even more popular than the outgoing 500 series. The CLP645 is the popular mid range model and as such has a number of differences when compared to the CLP635. Perhaps the first thing to mention is that the CLP645 has a much improved amplification system with (25w+25w) x 2 amplifiers which are attached to a high quality two speaker system. This is installed in tandem with a much more detailed piano sample - the CLP645 benefits from smooth release, key off and string resonance which creates a sample which sounds more 'acoustic' than ever. This is also the first model in the new lineup to feature the Natural Wood X keyboard along with the synthetic ebony and ivory key tops. This provides a more natural feel which works perfectly with the upgraded speaker system and sampling technology. This model also features built in Bluetooth which enables wireless connection to your tablet which enhances the versatility of this instrument enormously.


  • 88 note NWX graded hammer action keyboard

  • Wooden naturals with synthetic ivory and ebony keytops

  • Improved Virtual Resonance Modelling (VRM) on piano sounds

  • Binaural sampling on Yamaha CFX concert grand

  • Key-off samples, smooth release, string and damper resonances

  • CFX and Bösendorfer Imperial piano samples
  • 256 note polyphony

  • Three assignable function piano style pedals with half pedaling capability

  • 128 x 64 full dot LCD screen

  • 36 instrument voices with dual/split/duo keyboard modes to layer and split sounds

  • 20 built in rhythm styles and metronome

  • 19 voice demo songs, 50 piano songs and 303 Hanon and Czerny lesson songs

  • (25w+25w) x 2 amplification with (16cm + 8cm) x 2 speakers

  • 16 track recording facility with USB audio record

  • Bluetooth for use with iOS and Android devices


  • 2 x headphone sockets

  • Intelligent Acoustic Control (IAC) and Stereophonic Optimizer for improved sound at low volume

  • Digital effects including reverb, chorus and brilliance


Product videos

To find out more about how Chamberlain Pianos can help, enquire about any of our pianos, or to make a 1-2-1 appointment please contact the team on:

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Spec Specification
Width1,461mm (57 1/2")
Width (polished finish)1,466mm (57 11/16")
Height927mm (36 1/2")
Height (polished finish)930mm (36 5/8")
Depth459mm (18 1/16")
Depth (polished finish)459mm (18 1/16")
Weight60.0kg (132lbs, 4oz)
Weight (polished finish)66.0kg (145lbs, 8oz)
Number of keys88
Keyboard typeNWX (Natural Wood X) keyboard: wooden keys (white only), synthetic ebony and ivory keytops, escapement
Touch sensitivityHard2/Hard1/Medium/Soft1/Soft2/Fixed
Number of pedals3
Half pedalYes
Pedal functionsSustain (Switch), Sustain Contin uously, Sostenuto, Soft, Expression, Pitch Bend Up, Pitch Bend Down, Rotary Speed, Vibe Rotor, Song Play/Pause
Display typeFull Dots LCD
Display size128 x 64 dots
Display languageEnglish, Japanese
Panel languageEnglish
Key cover styleSliding
Music restYes
Music bracesYes
Piano soundYamaha CFX, Bösendorfer Imperial, CFX Binaural Sampling
Binaural samplingYes (CFX Grand Voice only)
Key-off samplesYes
Smooth releaseYes
Polyphony (max.)256
Preset number of voices36
Reverb effects6
Chorus effects3
Brilliance effects7
Master effect11
Intelligent Acoustic Control (IAC)Yes
Stereophonic optimiserYes
Dual/Layers functionsYes
Number of preset songs19 Voice Demo Songs + 50 Classics + 303 Lesson Songs
Recording number of songs250
Recording number of tracks16
Data capacityApprox. 500KB/Song
Playback compatible data formatSMF (Format 0, Format 1)
Recording compatible data formatSMF (Format 0)
Piano Room functionYes
USB audio recorder playback.wav (44.1 kHz sample rate, 16-bit resolution, stereo)
USB audio recorder recording.wav (44.1 kHz sample rate, 16-bit resolution, stereo)
Tempo range5 ‒ 500
Transpose-12 ‒ 0 ‒ +12
Tuning414.8 ‒ 440.0 - 466.8 Hz (approx. 0.2 Hz increments)
Scale type7 types
Other controlTuning, Scale Type, etc
BluetoothYes (Audio)
Internal memory storageTotal maximum size approx. 1.5 MB
External drivesUSB flash drive
Headphones connectivityStandard stereo phone jack (x2)
AUX INStereo Mini
Amplifiers(25 W + 25 W) x 2
Speakers(16 cm + 8 cm) x 2
Acoustic optimiserYes
Power consumptionPower consumption is described on or near the name plate, which is at the bottom of the unit.
Auto power offYes
AccessoriesOwner’s Manual, Warranty, “50 Classical Music Masterpieces” Music Book, Online Member Product Registration, Power cord
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