Why This Guitar

Product Highlights

Rich and Expressive AiX Sound Source — At the heart of the CT-S1 is Casio's advanced AiX Sound Source, which meticulously reproduces the character of acoustic instruments.
Stylish, Minimalist, and Portable Design — Weighing only 4.5kg and capable of running on AA batteries, it's effortlessly portable for music-making anywhere.
Modern USB and Optional Bluetooth Connectivity — The class-compliant micro-USB port allows you to connect directly to any PC, Mac, or mobile device to use as a MIDI controller or for audio recording without needing.
61 full-size touch-sensitive keys AiX Sound Source for high-quality tones 64-note polyphony 61 built-in Tones including acoustic pianos, electric pianos.
Audio inputs include Yes, 1 x 3.5mm Stereo Mini Jack

Available Since: August, 2026
Item No.: 4971850315094
Local SKU: OS

Rich and Expressive AiX Sound Source

At the heart of the CT-S1 is Casio's advanced AiX Sound Source, which meticulously reproduces the character of acoustic instruments. You'll find 61 expertly crafted tones, from a breathtaking German concert grand piano to vintage electric pianos and synths. This technology ensures every note you play is rich, expressive, and full of detail, providing a truly premium playing experience.

Stylish, Minimalist, and Portable Design

The CT-S1 is designed for the modern musician, featuring a slim, stylish profile in a striking red finish that stands out. Its minimalist layout with just the essential controls keeps the focus on playing. Weighing only 4.5kg and capable of running on AA batteries, it's effortlessly portable for music-making anywhere.

Modern USB and Optional Bluetooth Connectivity

Seamlessly integrate the CT-S1 into your digital world. The class-compliant micro-USB port allows you to connect directly to any PC, Mac, or mobile device to use as a MIDI controller or for audio recording without needing drivers. Add the optional WU-BT10 adapter to unlock wireless Bluetooth Audio and MIDI for even greater freedom.

BY THE NUMBERS

Technical Specifications

Hardware & Setup

Body & Build

Finish & Colour

Bench IncludedYes

EssentialNo

Key ActionSynth Action

Number of Keys61

Keyboard TypePortable Keyboard

Cabinet IncludedYes

MIDIYes

Stand IncludedYes

Pedal SupportYes

EssentialNo

Everything you receive

What's In The Box

Casio CT-S1 61-Key Portable Keyboard, Red
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.

View All Casio Products

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 high-quality sounds make practice enjoyable and inspiring.

Absolutely. The keyboard has a 3.5mm headphone jack for silent practice anytime, day or night.

You can connect it using the micro-USB port, which transmits both MIDI and audio data, making it perfect for recording or using learning apps.

The package includes the CT-S1 keyboard, a music rest for holding sheet music, and an AC power adapter.

Yes, it's very portable. It weighs only 4.5 kg and can be powered by 6 AA batteries (sold separately) for playing on the go.

The keys are touch-sensitive, meaning the volume changes with your playing force, but they are not fully weighted. This synth-style action is light and easy to play.

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