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The Casio CT-S1 portable keyboard is the perfect modern instrument. At only 4.5kg it is very lightweight, ideal for your travels, without compromising on sound quality. Powerful Bass Reflex speakers add a new power to your bass notes for a resonant effect, which is perfect combined with the redesigned Casio AiX sound source. Project the highest quality sound.


You'll be proud of your stylish keyboard. The CT-S1 keyboard has more design elements than you'd usually find at this price point, which you see with the speaker cloth and felt in the keys. Its uncluttered feel makes using its 61 fun voices a dream. You get to experiment with a whole range of modern and classic sounds, including some sampling from special vintage instruments.

You'll love using this uncluttered keyboard. With no need for a screen, the control board of the Casio CT-S1 is clean, simple, and minimalist. This streamlined design is chic and stylish in a way you wouldn't usually expect from a keyboard at this price point. Design features like the speaker cloth and the felt in the keys set it apart and give it a sophisticated appearance.

You'll be able to use this organised keyboard naturally. There will be no confusion with the most commonly used sounds accessible with just the touch of a button. Then, if you want to use one of the larger range of sounds, the CT-S1 is cleverly designed so the buttons for the different voices are in the keys themselves. If you just press tone variation then one of the keys, you can use any of the 61 available sounds. Other effects are made simple with handy shortcuts. There's a lot packed into this sleek, lightweight keyboard.

Playing digital comes with all sorts of fun options and effects. This keyboard has 61 quality sounds available, some of which are unique to the CT-S1. You get to go a bit retro with some of these voices, with new samples of vintage instruments, like the Casio CZ-101 and VL-tone. There's plenty of choice to mix up your playing, as you can switch between a honky-tonk piano, synth sounds, a cathedral organ, and a guitar sound amongst many more. Then, you can alter the effect of these voices with 24 types of reverb to change the acoustics of your piano voices. With the option to transpose easily, you can access a range of notes.

Using your smart devices with your keyboard has become a great addition for the modern musician. The CT-S1 portable keyboard caters for this with a USB microsocket in the back to easily connect to a smartphone, tablet, or PC. Also, with the option to connect a Bluetooth dongle (not included), your keyboard can become a Bluetooth speaker. Playing along with backing tracks you have composed has never been simpler. This would also make your keyboard a Bluetooth MIDI device, so you could easily connect to music learning apps like Casio Music Space to support you with your musical progress.

  • Keyboard
    • Number of keys: 61
    • Touch response: 3 sensitivity levels, off
    • Tuning: A4 = 415.5 Hz 440.0 Hz 465.9 Hz
    • Polyphony: 64 note
  • Voices
    • Sound source: AiX technology
    • Tones: 61
    • Advanced tones: 10
    • Classic tones: 12
  • Effects
    • Reverb: 24 types (+ Preset for each tone)
    • Chorus: Yes (Preset for each tone)
    • Delay: Yes (Preset for each tone)
    • DSP: Yes (Preset for each tone)
    • Master EQ: 10 EQ presets
  • Other functions
    • Volume-Sync EQ: Yes
    • Surround: Yes
    • Metronome: Yes
    • Demo songs: 1 + 10 (piano demo)
    • Transpose: Yes
  • Connectivity
    • MIDI Recorder: Yes, one song
    • Available APP: Casio Music Space
    • Bluetooth MIDI & Audio Adaptor: Yes (sold separately)
    • General MIDI: Yes GM Level 1 standard
    • Terminals:
      • PHONES/OUTPUT: Stero mini
      • Pedal: Standard
      • Audio in: Stereo mini
      • USB to host: Micro B
      • USB to device: Yes *for WU-BT10 only
  • Strap pin: Yes
  • Speakers: (13cm x 6cm) x 2, with horizontal Bass Reflex
  • Amplifiers: 2.5W + 2.5W
  • Power
    • Power supply: DC 9.5V
    • AC Adapter: AD-E95100L
    • Battery: AA type x 6 (Not Included) - with a lifespan of approx. 3 hours
  • Dimensions
    • Length: 930 mm
    • Depth: 258 mm
    • Height: 83 mm
    • Weight: 4.5 kg
    • Colour: Black

Casio CTS-1 Portable Keyboard

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