Casio Casiotone CT-S1– 61-Key Touch-Sensitive Retro
Product Overview
The Casio Casiotone CT-S1 is a 61-key touch-sensitive keyboard that blends retro-inspired design with modern musical versatility. Built for musicians at every level—from beginners exploring their first instrument to experienced players seeking a portable performance tool—the CT-S1 delivers studio-quality sound in a lightweight, highly portable package. Its sleek aesthetic comes in three color options—black, white, or red—making it as much a statement piece as a musical instrument. Whether used at home, on stage, or on the go, the CT-S1 adapts to your environment and musical style with ease. With advanced sound technology and practical features, it’s designed to grow with you, offering lasting value without compromising on tone or playability.
Key Features
- Touch-Sensitive 61-Key Layout: Full-size keys respond to your playing dynamics, allowing for expressive performances whether you’re practicing chords or playing intricate melodies.
- 60 AiX Sound Source Tones + Stereo Grand Piano: Powered by Casio’s proprietary AiX Sound Source, the keyboard offers a rich palette of 61 high-quality tones, including acoustic and electric pianos, organs, synths, and vintage classics from Casio’s legacy. The stereo grand piano sound delivers a natural, resonant tone ideal for classical and contemporary playing.
- Immersive Surround Sound System: Horizontal bass reflex speakers and Volume-Sync EQ maintain full, balanced audio even at lower volumes. The built-in Surround function creates a spacious, multi-dimensional sound field that enhances live playing and recording.
- Ultra-Portable and Strap-Ready: Weighing under 10 pounds, the CT-S1 is designed for mobility. It runs on 6 AA batteries (not included), includes strap pins for wearable play, and can transform any space into a performance stage.
- Bluetooth MIDI Compatibility: With the optional WU-BT10 Bluetooth MIDI/audio adapter (sold separately), connect wirelessly to smartphones, tablets, or computers. Use apps like CASIO MUSIC SPACE for learning, recording, or using the keyboard as a wireless speaker.
- Professional Sound Controls: Includes 24 reverb types, chorus, delay, tone layering, and a one-button MIDI recorder with a 40,000-note memory. Save and recall custom setups instantly using Tone Memory.
- USB-MIDI Connectivity: Easily connect to computers or digital audio workstations for recording, editing, or using virtual instruments—ideal for home studios and mobile setups.
Technical Specifications
- Keyboard: 61 full-size touch-sensitive keys
- Sound Source: AiX Sound Source
- Polyphony: Not specified
- Tones: 61 (including stereo grand piano and 60 AiX tones)
- Reverb: 24 types
- Effects: Chorus, delay, tone layering
- Recorder: One-button MIDI recorder with 40,000-note memory
- Speakers: Horizontal bass reflex system with Volume-Sync EQ and Surround function
- Power: 6 AA batteries (not included) or AC adapter (not included)
- Weight: Under 10 lbs
- Connectivity: USB-MIDI, optional WU-BT10 Bluetooth MIDI/audio adapter
- Strap Pins: Included for wearable play
- Color Options: Black, white, red
Benefits & Use Cases
The Casiotone CT-S1 is ideal for a wide range of users and settings. Beginners will appreciate its intuitive layout, rich tone selection, and learning-friendly features like the MIDI recorder and compatibility with educational apps. Home musicians can use it as a compact centerpiece for casual playing or songwriting, while its stylish design fits seamlessly into modern interiors. Performers benefit from its lightweight build, battery operation, and strap compatibility, enabling stand-up play in live or street performance settings. The inclusion of USB-MIDI and Bluetooth support makes it a practical tool for producers and composers working in home studios or on the move. Its ability to deliver professional-grade sound in a portable format ensures that players won’t outgrow it as their skills advance.
Important Notes
The CT-S1 requires 6 AA batteries for portable use, which are not included. An AC adapter is also optional and must be purchased separately for continuous power. The WU-BT10 Bluetooth adapter is sold separately and required for wireless connectivity. While the keyboard supports MIDI recording and tone layering, internal storage is limited to 40,000 notes. Care should be taken to avoid exposure to extreme temperatures or moisture. Always use a soft, dry cloth for cleaning. The instrument is designed for indoor use and optimal performance in controlled environments.
