Why This Guitar

Product Highlights

Expressive AiX Sound Source — From rich grand pianos to vintage electric pianos and lush synths, each of the 61 built-in sounds is crafted to inspire.
Minimalist Design, Maximum Portability — With the ability to run on 6 AA batteries and featuring built-in strap pins, you can take your music anywhere, from your living room to the park.
Modern USB & Wireless Connectivity — Add the optional WU-BT10 adapter to unlock wireless Bluetooth Audio for streaming music through the keyboard's speakers and Bluetooth MIDI for cable-free app control.
Audio inputs include 1 x 3.5mm Stereo Mini (Audio In)
USB-MIDI connectivity for use with music apps and software

Available Since: August, 2026
Item No.: 4971850315070
Local SKU: OS

Expressive AiX Sound Source

At the heart of the CT-S1 lies Casio's AiX Sound Source, delivering stunningly realistic and expressive instrument tones. From rich grand pianos to vintage electric pianos and lush synths, each of the 61 built-in sounds is crafted to inspire. This advanced engine ensures every nuance of your playing is captured, providing a dynamic and engaging musical experience.

Minimalist Design, Maximum Portability

The CT-S1 redefines portability with its slim, lightweight chassis and minimalist aesthetic. Free from distracting screens and complex controls, its interface is clean and intuitive. With the ability to run on 6 AA batteries and featuring built-in strap pins, you can take your music anywhere, from your living room to the park.

Modern USB & Wireless Connectivity

Seamlessly integrate the CT-S1 into your digital world. The USB-MIDI port allows you to connect to computers and mobile devices to control music software and use learning apps like Casio's own Chordana Play. Add the optional WU-BT10 adapter to unlock wireless Bluetooth Audio for streaming music through the keyboard's speakers and Bluetooth MIDI for cable-free app control.

BY THE NUMBERS

Technical Specifications

Hardware & Setup

Body & Build

Finish & Colour

Bench IncludedYes

EssentialNo

Key ActionTouch-sensitive synth-action keys

Number of Keys61

Keyboard TypePortable Keyboard

Cabinet IncludedYes

MIDIYes

Stand IncludedYes

Pedal SupportYes

EssentialNo

Everything you receive

What's In The Box

Casio Casiotone CT-S1 61-Key Portable Digital Keyboard, Black
Owner's Manual
Local Warranty Card
What's in the box

Casio

The Maker

About Casio

Casio makes digital instruments that turn advanced technology into an inviting playing experience for students, families, educators, and performers. Its portable keyboards, Privia pianos, and Celviano instruments combine expressive sounds, responsive keys, learning features, and space-conscious design for practice, teaching, composing, and performance.

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Expert answers

Questions & Answers

6 questions answered by aDawliah experts·avg response 2 hours

Yes, its touch-sensitive keys help develop proper playing dynamics, and its simple interface makes it easy to start playing without being overwhelmed by features.

Yes, the CT-S1 has a 3.5mm headphone jack that allows you to play at any time without disturbing others.

The package includes the CT-S1 keyboard, a music rest, an AC power adapter, and the user manual.

It is Bluetooth-ready. You can add both Bluetooth Audio and MIDI by purchasing the optional Casio WU-BT10 wireless adapter.

You can connect the CT-S1 to a computer using a standard USB cable (Micro-B to Type-A/C), which allows it to function as a MIDI controller for music software.

The keys are touch-sensitive synth-action, not fully weighted. They respond to how hard you play but have a lighter feel than an acoustic piano, which is typical for a portable keyboard.

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