The Casio Casiotone CT-S400 is a powerful 61-key portable keyboard designed for musicians of all skill levels. Featuring touch-responsive keys, the advanced AiX Sound Engine, and a lightweight, compact design, it delivers rich, expressive sound wherever you play. With 600 high-quality tones, 200 built-in rhythms, immersive surround speakers, and modern connectivity including USB-MIDI and Bluetooth capability, the CT-S400 makes practicing, performing, and creating music easier and more inspiring than ever.

61 Touch-Responsive Full-Size Keys

Provides dynamic control and expressive playing, responding naturally to how softly or firmly you press each key.

AiX Sound Engine with 600 Tones

Delivers rich, detailed sound quality, including a stunning German concert grand piano and a wide variety of instrument voices.

200 Built-In Rhythms with Full Accompaniment

Transforms simple chords into full-band arrangements, perfect for songwriting, practice, and live performance.

Lightweight and Portable Design

Slim and easy to carry, with battery power capability and strap pins for music on the go.

Bass-Reflex Stereo Speakers with Surround Mode

Produces surprisingly deep, room-filling sound for immersive listening and performance.

USB-MIDI and Bluetooth Connectivity

Connect easily to computers and smart devices for recording, learning apps, and wireless audio/MIDI (Bluetooth via optional adapter).

Pitch Bend Wheel

Adds expressive control for realistic synth, guitar, and lead instrument performance effects.

6-Track Recorder

Capture and layer your musical ideas directly on the keyboard.

Chordana App Compatible

Enhances learning and creativity with interactive lessons and practice tools.