Yamaha CLP-645

(1 customer review)


Experience unparalleled sound and expression with the Yamaha CLP-645 piano – the perfect instrument for those seeking an authentic piano playing experience.



If you are looking for a premium digital piano that packs a punch in sound, design, and features, the Yamaha CLP-645 is a model worth considering. This digital piano is part of Yamaha’s Clavinova series, which has been trusted by pianists worldwide for its authentic sound and realistic piano playing experience.

One of the standout features of the Yamaha CLP-645 is its sound quality. This piano boasts an impressive 256-note polyphony, which means you can play complex pieces and sustain chords without worrying about notes dropping off. The sound samples are taken from premium Yamaha acoustic pianos, including the flagship CFX concert grand and the Bosendorfer Imperial, which are sampled meticulously to produce a clear and balanced sound. Additionally, the CLP-645 has two 30W amplifiers and two 16cm speakers, which deliver a powerful and accurate sound.

Another great aspect of the Yamaha CLP-645 is its key action. This piano features the GrandTouch keyboard, which is graded and weighted from the bottom to the top of the keyboard, mimicking the feel of a traditional grand piano. The keys are also coated with synthetic ivory and ebony, which gives them a natural tactile response and improved grip. The key sensors offer enhanced precision and response, making you feel as though you are playing on an acoustic piano.

The Yamaha CLP-645 also includes a wide range of features that make it a versatile instrument. It comes with 36 different voices, including several acoustic pianos, electric pianos, organs, and strings. There are also 20 rhythm tracks, which can be used as backing tracks to practice or perform alongside. The CLP-645 has a built-in recorder, which enables you to record up to 16 tracks and store them in either internal memory or USB drive. The piano also comes with Bluetooth connectivity, which allows you to connect with your smartphone, tablet, or computer wirelessly.

In terms of design, the Yamaha CLP-645 combines elegance and modernity. The piano has a sleek and slim cabinet design that will fit seamlessly into any room. The control panel is located on the left side of the keyboard and includes a large LCD display, which makes it easy to navigate and control the piano’s various settings. The CLP-645 also has three pedals (damper, sostenuto, and soft), which are made of reinforced plastic and give a firm and comfortable pedal feel.

In conclusion, the Yamaha CLP-645 is a premium digital piano that delivers on all fronts. It has exceptional sound quality, key action, and features that will satisfy even the most demanding pianist. Its sleek and modern design adds to its appeal, making it a perfect instrument for both home and stage use. Whether you’re a beginner or a professional, the Yamaha CLP-645 is an excellent investment that will enhance your playing experience.

Yamaha CLP-645 properties

Product name CLP-645
Brand Yamaha
Type Keyboard Instruments
Keyboard Instrument Stage and Digital Piano
Keys Yes
Number of Keys 88 pcs
Key Functions Touch Sensitive
Pre-Programmed Songs Yes
Pre-Programmed Effects Yes
Built-in Tuner Yes
Supported Audio Files SMF, WAV
Connections 3.5mm (Aux), Headphone, MIDI, MIDI In, MIDI Thru, USB
Colour Black, Walnut
Power Supply USB

Additional information


Product type

Keyboard Instrument


Number of Keys

Key Functions

Pre-Programmed Songs

Pre-Programmed Effects

Built-in Tuner

Supported Audio Files



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Power Supply

1 review for Yamaha CLP-645

  1. Soul

    Amazing game, perfect for a learner and a professional.
    Works as described. The usage time is too short to leave a review.
    I am a beginner musician, but the product is 100% recommendable

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Frequently Asked Questions:

Can you help me with connecting my Yamaha CLP-645 to my computer for playing and composing music using MIDI files or software like Cubase, Logic Pro, etc.?

Yes, I can certainly assist you with that! Here's how you can connect your Yamaha CLP-645 digital piano to your computer for MIDI use:

1. Firstly, ensure that your computer has a suitable MIDI interface or built-in MIDI functionality. Most modern laptops and desktops come with USB Type-A ports which can be used to connect an external USB MIDI interface. If your computer doesn't have one, you may need to purchase a USB hub or use a USB Type-C to USB Type-A adapter if necessary.

2. Next, plug in the Yamaha CLP-645 digital piano to your computer using the included USB cable (Type B). Connect the other end of the USB cable into an available port on your computer. The CLP-645 should now be recognized as a MIDI device by your operating system.

3. Launch the software or application that you want to use for playing and composing music using MIIDI files (e.g., Cubase, Logic Pro, etc.). You may need to select "Yamaha CLP-645" as your chosen MIDI output device within the settings menu of the chosen software/application.

4. To playback a MIDI file through your CLP-645 digital piano, simply open the MIDI file within your music software and select "Yamaha CLP-645" as the chosen MIDI input device in the settings menu of that software/application. Make sure that the "Yamaha CLP-645" is set to receive MIDI data from your computer.

By following these steps, you should now be able to connect your Yamaha CLP-645 digital piano to your computer for playing and composing music using MIIDI files or software like Cubase, Logic Pro, etc. Remember that if you encounter any issues during the setup process, it may help to check your hardware connections, reboot your computer, or consult the user manual provided by Yamaha.

What are the key features of the Yamaaha CLP-645 digital piano, including its sound engine technology and onboard effects?

The Yamaha CLP-645 digital piano is a high-end instrument that offers an outstanding playing experience with its GrandTouch keyboard and acoustic piano sampling. Here are some of the key features of this model:

1. Sound Engine Technology - The CLP-645 uses Yamaha's flagship Pure CF Sound Engine, which provides a rich and realistic piano sound. It features samples from Yamaha's renowned CFX concert grand piano and Bösendorfer Imperial pianos, giving you two world-class instruments to choose from. Onboard Effects - The CLP-645 comes with built-in reverb, chorus, and other effects that enhance the sound of your playing. These can be adjusted using the dedicated panel on the instrument or through the included Smart Pianist app. GrandTouch Keyboard - The CLP-645 features Yamaha's innovative GrandTouch keyboard, which combines synthetic ivory and ebony keys with escapement to provide a playing experience that closely mimics an acoustic grand piano. This makes it easier to control your touch and dynamics when playing. Stereophonic Optimizer - The Stereophonic Optimizer technology allows you to enjoy the natural, spacious sound of the CLP-645 even when using headphones. This feature creates a three-dimensional effect that makes it feel like you're playing in a concert hall. Built-in Song Recorder - The CLP-645 comes with a built-in song recorder that allows you to record your performances and share them with others. You can also use the Smart Pianist app to edit and arrange your recordings. USB Audio Recording - In addition to the built-in recorder, the CLP-645 also supports USB audio recording, allowing you to capture your performances in high-quality WAV format for later editing or sharing. Bluetooth Connectivity - The CLP-645 can connect wirelessly to other devices via Bluetooth, making it easy to stream music from your smartphone or tablet and play along with your favorite tunes. It also supports the Smart Pianist app, which provides a variety of features such as song selection, recording, and setting up split/layer modes. These are just some of the key features that make the Yamaha CLP-645 an exceptional digital piano for serious musicians and pianists. Its combination of world-class sound, realistic keyboard action, and advanced technology make it a top choice for those looking to elevate their playing experience.

What distinguishes the sound engine of the Yamaha CLP-645 from other digital pianos, as described by the manufacturer's website?

According to the manufacturer's website, the sound engine of the Yamaha CLP-645 is distinguished from other digital pianos due to its use of VRM (Virtual Resonant Modeling), which simulates the resonance produced by the wooden boards of an acoustic piano. This technology creates a richer and more complex piano tone, and allows for smoother pedaling effects. The CLP-645 also features binaural sampling technology, which recreates the perspective the pianist would have if sitting in front of an acoustic grand piano, as well as 24-bit audio to deliver high-quality sound. Additionally, the CLP-645 uses a newly sampled Grand Piano, recorded specifically to maximize dynamic range and expressivity.

How does the Graded Hammer Standard (GHS) keyboard of the Yamaha CLP-645 offer a more authentic piano playing experience compared to other digital pianos?

The Graded Hammer Standard (GHS) keyboard of the Yamaha CLP-645 offers a more authentic piano playing experience compared to other digital pianos because it is graded, meaning that each key is weighted differently. This allows for a more natural and realistic feel when playing, as the lower keys are heavier and require more force while the higher keys are lighter and require less force. Additionally, the GHS keyboard uses high-quality materials to reproduce the touch and response characteristics of an acoustic grand piano, further enhancing the overall playing experience. Overall, the GHS keyboard in the Yamaha CLP-645 provides a level of authenticity that is not found in other digital pianos, making it a top choice for serious pianists and music enthusiasts alike.