# Digital synthesizer Casio CT-S1 61 keys White AC Battery

**URL:** https://aio.lv/en/product--casio-mu-ct-s1-we--5054686
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** DJ Controllers & MIDI keyboards
**Manufacturer:** CASIO
**Manufacturer code:** MU CT-S1 WE
**EAN:** 4971850315087
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 205.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 169.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--casio-mu-ct-s1-we--5054686

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Casio CT-S1 is a lightweight digital synthesizer weighing only 4.5 kg. It features 61 keys and can be powered by AC or AA batteries, making it portable and versatile for musicians. Ideal for both beginners and experienced players, it offers a range of sounds and functions suitable for various music styles.

## Long description

The Casio CT-S1 is a versatile and lightweight digital synthesizer designed for musicians who value both portability and high-quality sound. Featuring 61 full-size, touch-sensitive keys, this instrument provides an expressive playing experience suitable for various musical styles. Powered by Casio’s advanced AiX sound source, it delivers rich, dynamic tones, including realistic grand piano sounds and iconic vintage synthesizer effects. Its compact, stylish design and dual power options—AC adapter or AA batteries—make it an excellent choice for home practice, studio use, or making music on the go.
Advantages
The primary strength of the Casio CT-S1 lies in its combination of professional-grade sound technology and user-friendly design. The AiX sound source ensures that every note is rendered with clarity and depth, while the integrated Bass Reflex speaker system provides a surprisingly powerful audio output for such a compact unit. Its lightweight construction, weighing only 4.5 kg, allows for effortless transport, and the ability to run on batteries ensures you are not tethered to a power outlet. Furthermore, the inclusion of USB connectivity and compatibility with learning apps like Chordana Play makes it a highly effective tool for beginners and students looking to improve their skills through interactive technology.
Suitable for
Beginners learning to play the piano or synthesizer
Home studio recording and MIDI production
Musicians needing a portable instrument for rehearsals or travel
Students using interactive music learning software
When it may not be suitable
The Casio CT-S1 may not be the ideal choice for professional performers requiring a full 88-key weighted hammer-action keyboard for classical piano repertoire. Additionally, those looking for advanced sound design capabilities or deep synthesis editing may find the interface too simplified for complex sound creation.
Key specifications
61 full-size, touch-sensitive keys
AiX sound source technology
Built-in Bass Reflex speaker system
USB-to-host connectivity for MIDI and app integration
Weight: 4.5 kg
Power options: AC adapter or 6 AA batteries
Integrated song recorder
How to use
To begin using the Casio CT-S1, connect the provided AC adapter to a power source or insert six AA batteries into the compartment on the underside. Power on the device using the dedicated button. You can select from the 61 built-in tones using the intuitive control panel. To utilize the instrument as a MIDI controller or to connect with learning apps, use a USB cable to link the keyboard to your computer, tablet, or smartphone. For wireless functionality, an optional Bluetooth dongle can be inserted into the designated port to enable Bluetooth Audio and MIDI features.
What to consider before purchase
Ensure you have a compatible USB cable if you intend to connect to external devices for MIDI or app use.
Consider purchasing the optional Bluetooth dongle if wireless connectivity is required.
Check if the keyboard size fits your intended workspace or storage area.
Verify if you need additional accessories such as a sustain pedal or a keyboard stand, which are sold separately.
Usage recommendations
For the best learning experience, we recommend pairing the Casio CT-S1 with the Chordana Play app or accessing the Casio Music Academy portal. This allows you to track your progress and utilize the interactive tutorials designed to help you master the keyboard at your own pace.

## Specifications

| Feature | Value |
|---|---|
| Weight | 4.5 kg |
| Battery type | AA |
| Keyboard number of keys | 61 |
| Number of batteries supported | 6 |
| Product colour | White |
| Headphone outputs | 1 |
| DC-in jack | Yes |
| Foot pedal input | Yes |
| Power source type | AC, Battery |
| Sound effects quantity | 61 |
| USB ports quantity | 2 |
| Product type | Digital synthesizer |

## FAQ

### How much does the Digital synthesizer Casio CT-S1 cost, and is it available for purchase?

The price is 205.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Digital synthesizer Casio CT-S1 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All CASIO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized CASIO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/5054686/54108812_large.webp