Casio CT-S1 Black

Casio Casiotone CT-S1BK - Stylish 61-Key Portable Piano with Concert-Grand Sound

The Casio CT-S1BK blends sleek modern design with studio-quality sound in a lightweight 61-key portable keyboard. Designed for musicians on the move, it features full-size touch-responsive keys, a built-in stereo bass-reflex speaker system, and an ultra-slim profile that makes it ideal for practice, travel, and casual performance.

Powered by Casio's advanced AiX Sound Source, the CT-S1 delivers a rich stereo concert grand piano tone along with 60 additional carefully curated instrument sounds. These include electric pianos, strings, organs, synths, and classic Casio tones that cover a wide range of musical styles without unnecessary clutter.

The CT-S1BK includes a simple one-button MIDI recorder, built-in strap pins for truly portable play, and optional Bluetooth MIDI and audio support via the WU-BT10 adapter. With battery or AC power options and class-compliant USB-MIDI connectivity, this keyboard is always ready to play at home, in lessons, or on the go.

Key Features & Specs (With Benefits)

61 Full-Size Touch-Responsive Keys
Provides natural piano-like feel and expressive dynamic control in a compact format.

AiX Sound Source with Stereo Concert Grand Piano + 60 Tones
Delivers rich, detailed sound quality suitable for practice, songwriting, and performance.

Dual Bass-Reflex Stereo Speakers (Approx. 2.5W x 2)
Produces clear, balanced sound with enhanced low-end response without external speakers.

Recorder & Metronome
One-button 1-track MIDI recorder and built-in metronome make practice and idea capture easy.

Portable Play Options
Built-in strap pins and battery or AC power allow flexible playing positions anywhere.

Connectivity
USB-MIDI class compliant for computers and apps, optional WU-BT10 Bluetooth adapter, plus headphone and aux jacks for silent practice or external audio.

Slim, Lightweight Design
Approx. 36.6" W x 10" D x 3.3" H and under 10 lb, making it easy to store, carry, and travel with.

Finish
Matte black cabinet with a clean, modern look that fits any environment.

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