Casio CT-S400 - Black

Casio Casiotone CT-S400BK - 61-Key Portable Keyboard with Advanced Performance Features

The Casio Casiotone CT-S400BK delivers powerful sound and creative flexibility in a slim, lightweight portable keyboard. Designed for players who want more depth than entry-level models, it features 61 full-size touch-responsive keys, Casio’s advanced AiX sound engine, and a bass-reflex stereo speaker system suitable for home, school, and portable performance use.

With 600 high-quality tones, 200 rhythms, and performance tools such as a pitch bend wheel, arpeggiator, and surround sound mode, the CT-S400BK supports expressive playing across a wide range of styles. USB-MIDI connectivity, optional Bluetooth MIDI and audio support via the WU-BT10 adapter, and battery-powered operation make it easy to play and create anywhere.

Key Features & Specs

Keyboard
61 full-size touch-responsive keys provide expressive control and dynamic response.

Sound Engine
AiX Sound Source delivers detailed, realistic instrument tones including stereo grand pianos.

Tones & Rhythms
600 instrument tones and 200 auto-accompaniment rhythms offer broad creative variety.

Polyphony
48-note polyphony supports layered sounds and accompaniment playing.

Performance Tools
Pitch bend wheel and arpeggiator add expressive control and creative movement.

Effects
Reverb, chorus, surround sound, and DSP effects enhance depth and texture.

Recorder
6-track MIDI recorder stores up to 5 songs and approximately 40,000 notes for songwriting and practice review.

Speaker System
Dual bass-reflex speakers rated at approximately 2.5W x 2 deliver clear, balanced sound.

Portable Design
Lightweight construction under 10 lb with built-in strap pins for portable playing.

Power Options
AC adapter or 6 AA batteries provide flexible power for home or mobile use.

Connectivity
USB-MIDI class compliant, aux audio input, headphone output, and optional Bluetooth MIDI and audio via WU-BT10.

Display
Full-dot backlit LCD provides clear access to tones, rhythms, and settings.

Finish
Matte black cabinet with a clean, modern appearance.

Warranty
1-year limited U.S. warranty covering parts and labor under normal use.