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

**URL:** https://aio.lv/en/product--casio-mu-ct-s1-rd--5054673
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** DJ Controllers & MIDI keyboards
**Manufacturer:** CASIO
**Manufacturer code:** MU CT-S1 RD
**EAN:** 4971850315094
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 195.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 161.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--casio-mu-ct-s1-rd--5054673

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The Casio CT-S1 is a digital synthesizer featuring 61 keys, available in a vibrant red color. It can be powered by AC or AA batteries, making it versatile for both home and on-the-go use. Weighing only 4.5 kg, it is lightweight and portable, ideal for musicians who need a reliable instrument for performances or practice.

## Long description

The Casio CT-S1 is a versatile 61-key digital synthesizer designed for musicians who value both portability and high-quality sound. Featuring a vibrant red finish, this instrument combines a sleek, minimalist aesthetic with advanced AiX sound technology to deliver expressive tones, including realistic grand piano sounds and iconic vintage synth patches. Its lightweight construction and dual power options make it an excellent choice for home practice, studio sessions, or mobile performances.
Advantages
The primary strength of the CT-S1 lies in its sophisticated AiX sound source, which provides rich, dynamic audio quality that exceeds expectations for an entry-level instrument. The inclusion of Bass Reflex speakers and a dedicated Surround Sound mode ensures an immersive listening experience. With 61 full-size, touch-sensitive keys, players can achieve nuanced expression, while the intuitive control interface allows for quick access to various tones and settings. The instrument is highly portable, weighing only 4.5 kg, and offers the flexibility of battery operation, allowing you to play anywhere without being tethered to a power outlet.
Suitable for
Beginners learning to play the piano or keyboard
Musicians needing a portable instrument for practice or rehearsals
Home studio setups for MIDI recording and music production
Students using interactive music learning apps and online tutorials
When it may not be suitable
This synthesizer may not be the ideal choice for professional stage performers requiring a full 88-key weighted hammer-action keyboard for advanced classical repertoire. Additionally, users looking for deep sound design capabilities or complex multi-track sequencing might find the streamlined interface and limited onboard editing options restrictive compared to professional-grade workstations.
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
Supports optional Bluetooth MIDI and Audio adapter
Weight: 4.5 kg
Power options: AC adapter or 6 AA batteries
How to use
To begin playing, connect the included AC power adapter or insert six AA batteries into the compartment on the underside of the unit. Power on the device using the dedicated button and select your desired tone using the intuitive panel controls. For digital integration, connect the keyboard to your computer, tablet, or smartphone via a USB cable to utilize music learning software or DAW applications. If you wish to use wireless features, insert the optional Bluetooth dongle into the designated port to enable MIDI and audio streaming capabilities.
What to consider before purchase
Check if you require a sustain pedal, as it is typically sold separately
Verify if you need a USB cable for connecting to your specific device
Consider purchasing the optional Bluetooth dongle if wireless connectivity is required
Ensure the 61-key range is sufficient for your intended musical repertoire
Usage recommendations
For the best experience, we recommend using the Casio Music Academy resources and the Chordana Play app to accelerate your learning progress. Keep the instrument in a climate-controlled environment and use a soft, dry cloth to clean the keys and chassis to maintain the vibrant red finish.

## Specifications

| Feature | Value |
|---|---|
| Weight | 4.5 kg |
| Battery type | AA |
| Keyboard number of keys | 61 |
| Number of batteries supported | 6 |
| Product colour | Red |
| 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 195.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 29.06.2026 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/5054673/54108800_large.webp