CTK-4400 Casio Musical Keyboard

10,995.00 10,006.00 (inclusive of all taxes)



Price inclusive of Power Adapter only. Accessories [ Bag /Stand ] not included.

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Enhanced high-quality basic functions!

Improved sound quality and keyboard feel

  • AHL* sound source

    All built-in tones, including piano and acoustic instrument tones, now sound better than ever before! 48-tone maximum polyphony provides plenty of margin to minimize the chance of notes being dropped when tones are layered and when playing with Auto Accompaniment.
    * Acoustic & Highly-compressed Large-waveform

  • Piano-style keyboard

    An easy-to-play keyboard with an appearance resembling that of an acoustic piano.

  • Touch Response

    Touch Response lets you add delicate nuances to notes by varying how much pressure you apply to keyboard keys.

  • Virtual Hall

    Playing the keyboard simulates the acoustic effect of a concert hall, and produces reverberations that transmit a feeling of being there.

  • Chord Book

    You can use the Chord Book to look up chords you do not know how to play. You can hear what a chord sounds like and a simple operation even shows you inverted forms of the chord, making the Chord Book a valuable reference.

Entertainment features!

Makes music more fun than ever before

  • Sampling function

    You can sample a sound from a portable audio player or other device, and then play the sound on the keyboard. You also can use sampled sounds to compose music. The sampling feature is a great way to create new sounds that are highly creative.
    Start playback of the portable audio player connected to the keyboard’s AUDIO IN jack to sample voices, musical phrases, and other sounds in the playback
    Sampling function
    Play notes on the keyboard using the sampled sound!
    If you sample the “Ting!” sound of a triangle, for example, you can then play notes with the sound on the keyboard. You even can add reverb, vibrato, and other effects to the sampled sound.

Incorporate a sampled sound into accompaniment patterns!
You can sample a favorite musical phrase or drum sound, and use the same to replace some Auto Accompaniment drum sets.


    Connecting a music player to the AUDIO IN jack causes the audio from the player to be output through the keyboard’s speakers. Of course, you can play along with the audio, which means you can enjoy jamming with your favorite artists. It’s a great way to liven up a party or any other type of social gathering.

Powerful lesson functions!

New lessons functions guide you along the way to music proficiency

  • Step Up Lesson

    To master a song, it is best to break it up into short phrases, master each of the phrases, and then put everything together. Step Up Lesson does exactly that, providing you with the support you need to improve your play.

  • Performance Evaluation

    Your lesson score appears on the display screen.

  • Voice Fingering Guide

    If the keyboard senses you are having problems, it will help you by calling out finger numbers in a simulated human voice.

  • Lesson part select (right hand, left hand, both hands)
  • 152 Song Bank tunes including 50 Exercise phrases (Song Book provided*)

    Built-in songs cover a wide range of genres for lesson play and for your listening enjoyment. Includes Exercise phrases!
    * The Song Book does not include music for Exercise phrases. Due to copyright restrictions, some Song Bank tunes may not be included in the Song Book.

  • Song Expansion

    You can load songs from external sources and use them for listening, play along, or even lessons.
    Memory capacity is approximately 320KB, which is enough for up to 10 songs. Note that the actual number of songs that can be stored depends on the size of each individual song and other data stored in memory.
    Songs you add using Song Expansion can be used for Step Up Lessons, but fingering guide will not be displayed for such songs.

  • Recorder and metronome features for lesson support

Designed and engineered to help you sound your best!

Play music from around the world

  • A wide selection of tones (600 high-quality tones)

    A wide selection of musical instrument tones supports play of songs from various genres.

  • PIANO/ORGAN Button
  • 180 rhythms and Auto Accompaniments for Latin music and other styles from around the world (180 rhythms including 87 ethnic rhythms and 20 patterns for piano play)

    An advanced Auto Accompaniment feature provides you with access to a large collection of ethnic rhythms from around the world, with a special emphasis on Latin rhythms. In addition to Bossa Nova, Samba, and other basic rhythms, you also get Cumbia, Reggaeton, Calypso, and more!

  • Rhythm Editor

    10 user rhythms created by editing built-in rhythms

  • Music Preset

    Selecting a Music Preset instantly changes the keyboard setup (tone, rhythm, tempo, etc.) so it is ideal for playing a specific song. The selection of setups covers a wide range of musical genres.

  • Preset Scale

    Change the scale (temperament) of the keyboard quickly and easily to suit Oriental music or certain types of classical music.

  • Musical Information Function (Large, Backlit LCD)

    A wealth of information is displayed to support your keyboard play.

  • Versatile expandability

    USB port for computer connection*
    General MIDI (GM Level 1) support allows connection with a computer or another GM-compatible device.
    * Supported operating systems: Windows® XP Home Edition (SP2 or later), Windows® XP Professional (SP2 or later, 32-bit), Windows Vista® (32-bit), Windows® 7 (32-bit, 64-bit), Mac OS® X (10.3.9, 10.4.11 or later, 10.5.8 or later, 10.6.7 or later)
    For the latest news about driver and application support under Windows® 7, visit here.

  • More powerful features and functions

    Recorder for composing and play
    Registration for storage of keyboard setups and instant recall when you need them
    One Touch Preset automatically sets up the keyboard to match the Currently selected rhythm.
    Auto Harmonize adds appropriate harmony notes to your melody automatically.
    Arpeggiator simplifies arpeggio play.

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CTK 4400 Casio Musical Keyboard
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61 piano-style keys

Touch Response

2 sensitivity levels, Off

Sound Source


Maximum Polyphony



600 built-in tones


Layer, Split

Digital Effects

Virtual Hall (1 type), Reverb (10 types), Chorus (5 types)


180 built-in rhythms (10 user rhythms)

Auto Accompaniment

Modes: CASIO Chord, Fingered 1, Fingered 2 (6th off), Fingered 3 (on bass), Full Range Chord Controllers: Start/Stop, Intro, Normal/Fill-in, Variation/Fill-in, Synchro/Ending

Built-in Songs

152 (Song Bank)

Song Expansion

10 songs maximum (up to 320KB total)

Lesson Function

Step Up Lesson Phrases Lesson Part select Performance evaluation Voice fingering guide (Lesson part : right hand, left hand, both hands)


Beats: 0, 2, 3, 4, 5, 6 (Tempo range: quarter note = 30 to 255)


6 tracks x 5 songs (performance recording), 1 song (lesson recording), approximately 12,000 notes total, real-time recording/playback

Sampling Function

Maximum sampling capacity: :Up to 8 sounds
Maximum total sampling time: :Up to 10 seconds
Sampling sound input: AUDIO IN jack

Other Functions

Rhythm Editor (10 user rhythms) Registration: 32 setups (4 sets x 8 banks) Music Preset: 305 presets One Touch Preset: 180 sets Auto Harmonize: 12 types Arpeggiator: 90 types

Key Transpose

25 steps (-12 to +12 semitones)

Tuning Control

A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)


Standard jack (sustain, sostenuto, soft, rhythm)

Display Screen

LCD with backlight


GM Compatibility: Level1
Terminals: USB


12cm x 2

Amp Output

2.5W + 2.5W

Input/Output Terminals

HEADPHONES/OUTPUT (standard stereo jack) SUSTAIN/DAMPER AUDIO IN USB: type B* External power (9.5V DC) * USB cable (A-B type) required to use USB terminal for computer connection.

Power Requirements

AC adaptor: AD-E95100L

Dimensions (W x D x H)

948 x 350 x 103 mm


4.3kg (Without batteries)

Body Color/Finish

Silver × Black

Included Accessories

Music stand, song book

EAN code








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