Casiotone

CT-S400BK

$589.95

Casio introduced the world’s first electronic keyboard in 1980, bringing the gift of music and creativity to millions of people.
Nearly forty years later, the new Casiotone series changes everything once again, building on Casio’s renowned traditions of innovation, versatility and value for money.

Includes bonus power adaptor.

5 year warranty

Basic Information
  • Amplifiers
    2.5W + 2.5W
  • Built-in Songs
    160, User Songs: 10
  • Dimensions
    930 x 258 x 84 mm (w/o music stand)
  • Included Accessories
    • Music Stand + Strap Lock + AD95 Adapter
  • Maximum Polyphony
    48
  • Number of Keys
    61
  • Number of Rhythms/Patterns
    • 200
    • User Rhythms: 10
  • Number of Tones
    600
  • Pedal
    Standard jack
  • Power Consumption
    7.5W
  • Power Supply
    AC Adaptor: AD-E95100L (DC 9.5V)
    Batteries: AA-size alkaline batteries x 6 or AA-size rechargeable nickel metal hydride batteries* x 6
    Battery Life: Approximately 4 hours continuous operation
    Actual continuous operation time may be shorter due to battery type, performance type, and usage environment.
    *Measured values while using eneloop batteries. eneloop is a trademark of Panasonic Corporation.
  • Recorder
    [MIDI Recorder]
    5 songs, 6 tracks (1 system track, 5 solo tracks)
    40,000 notes for each song
  • Sound Source
    AiX
  • Speaker
    [13cm x 6cm] x2
  • Touch Response
    3 sensitivity levels, off

Key Features
  • Arpeggiator
    100 types
  • Effects
    Reverb: 20
    Chorus: 10 (+ Preset for each tone)
    DSP: Yes (Preset for each tone)
    Master EQ: 10
    Surround
  • LCD
    Yes, Type: Full-dot, Back Light: Yes (white)
  • Layer/Split
    Layer: 3 (Upper1/2, Lower1), Split: Yes
  • Metronome
    0 to 16 beats; tempo range: 20 to 255
  • Octave Shift
    -3 octaves ~ 0 ~ +3 octaves
  • Scales
    Equal temperament + 16 variations
  • Transpose
    -12 semitones ~ 0 ~ +12 semitones
  • Tuning Control
    A4 = 415.5 Hz ~ 440.0 Hz ~ 465.9 Hz
  • Pitch Bend Wheel
    Yes
  • Registration
    32 setups (4 sets x 8 banks)

Other Details
  • My Set Up Function
    Yes
  • Others
    ・My Set Up Function
    ・Volume Sync EQ
    ・Sustain
    ・Auto Power Off

Input / Output Terminals
  • AUDIO IN
    Stereo mini jack
  • PHONES/OUTPUT
    Stereo mini jack
  • USB port
    micro B, Type A
  • PEDAL
    Standard jack

Extended Functions
  • Connection to App
    Yes (CASIO MUSIC SPACE)
  • MIDI
    Yes (Using the USB port): GM level 1 compatible
  • Wireless Functionality
    Bluetooth MIDI & Audio: Yes (with optional Wireless MIDI & Audio Adaptor WU-BT10)
Manuals & Guides

Lifelike Sound. Always with You

Connect deeply with the true essence of sound. Vivid and clear piano tones are just the tip of the iceberg. Rejoice in the vivid tones of the AiX Sound Source and delight in expressive, high-resolution voices as they shine through Casio’s new and unique acoustic system, ensuring you experience a fresh, powerful sound that will never fail to enhance your creativity.


Who would have thought that such a compact design could produce this level of luscious timbre and true-to-life sound? Experience music in your way in the comfort of your room.

Your Keys to Creativity

The CT-S400 – more than your average keyboard. It's your companion for learning, exploration and creativity. Enjoy the flexibility of switching up your playing as you improve. The keyboard evolves along with your style. Practice and play along with your favourite music or automatic accompaniment. Connect with an app or external device. Your experience is limited only by your imagination. With everything for everyone, it doesn’t matter what level you’re at – the CT-S400 will unlock a new creative you.

Sounds to Inspire Your Playing

Redefining what makes a ‘real’ instrument, the CT-S400’s AiX Sound Source technology interprets the expressive complexity of musical instruments. With a rainbow of sounds to choose from, you never need to stop playing. Piano, strings, brass, synthesiser, bass and drums – 600 tones mean you are no longer restricted to one genre and the world of music is yours to explore.

Which one will inspire you today?

The Sound of a Great Time

Despite the CT-S400’s compact size, Horizontal Bass Reflex technology boosts the lows and, together with custom speakers, brings powerful and vivid sounds to life. Add the surround sound function and truly experience the vibration and power of pure music. Let the Volume-Sync EQ function take control as it automatically adjusts the balance between bass and treble, maintaining a punchy, vibrant sound, even at lower volumes. Touch the pleasure of sound and experience rich audio from the comfort of your home.


Now, that’s music to our ears.

Get Right to the Good Stuff

With only the essential buttons on the CT-S400’s console panel, and a large dial to select tones and change settings via the LCD screen, the familiar keyboard layout ensures an intuitive experience. Maximise inspiration with My Setup. Program in a range of functions to suit your needs. Assign your favourite settings to each of the 5 buttons underneath the LCD screen and easily access them again with a single touch as soon as you’re ready. Customise the CT-S400, and make your music about you.

The CT-S400 offers countless ways to enjoy the thrill of music. Listen to the music from your smartphone or tablet through the powerful keyboard speakers by using the Wireless MIDI & Audio Adaptor WU-BT10*. Access the score of each built-in song with the CASIO MUSIC SPACE app. Customize melodies in Audio Mode by changing the key and tempo, or by using the ‘cancel melody’ and ‘cancel accompaniment’ buttons to turn your favorite music into a backing track, allowing you to play along. MIDI capability makes all lessons fun. Entertain yourself with a tune by playing along with the piano roll. Connect to other MIDI-enabled apps and external devices to individualise your lessons – throw away your old notions of practice, get creative and have fun.


* sold separately

Keep It Simple. Keep It Real

The CT-S400 brings the ensemble to you. With 200 rhythmic patterns from a vast range of genres, you can play along to any of your favourite tunes. Replicate the exhilaration of playing alongside other musicians using the automatic backing function with any of the 160 built-in songs. Customise settings and make the performance your own by changing the tempo and selecting left-hand or right-hand parts to play along with and individually practice.


Maintain your enjoyment – it’s all about stress-free practice at your own pace.

Compatible accessories
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