Product Description

The CASIO Casiotone CT-S1BK is a 61-key keyboard that combines a minimalist design with expressive sound and practical performance features. Its clean layout, featuring keys, speakers, and only essential controls, gives it a refined appearance that blends naturally into a variety of living spaces. The speaker grilles are finished with fabric material for a distinctive interior-friendly look.

Powered by CASIO's AiX Sound Source, the CT-S1BK delivers detailed and expressive tones, including acoustic piano, electric piano, organ, and carefully selected vintage CASIO sounds. Its touch response function offers three sensitivity levels plus an off setting, allowing players to add dynamics to their performance.

The keyboard also features a built-in MIDI recorder for recording performances, a metronome, and a horizontal bass-reflex speaker system. Volume Sync Equalizer and Surround functions further enhance the listening experience, including at lower volume levels.

With the separately sold WU-BT10 Wireless MIDI & Audio Adapter, the CT-S1BK can connect wirelessly to compatible smart devices for audio playback and MIDI functionality.

Features

• 61 Piano-Style Keys: Box-shaped keys with a piano-inspired design.

• Touch Response: Three sensitivity levels plus an off setting for expressive playing.

• AiX Sound Source: Delivers detailed and expressive instrument tones.

• 61 Built-In Tones: Includes acoustic piano, electric piano, organ, and 12 selected CASIO CLASSIC TONES.

• MIDI Recording: Record your own keyboard performances.

• Minimalist Design: Clean appearance with a simple, easy-to-use control layout.

• Horizontal Bass-Reflex Speaker System: Designed to produce powerful sound and fuller bass from a compact body.

• Volume Sync Equalizer: Automatically adjusts sound balance according to volume.

• Surround Function: Adds a sense of spaciousness to the sound.

• Wireless Connectivity: Supports Bluetooth MIDI and audio when used with the separately sold WU-BT10 adapter.

• Multiple Connections: Includes headphone/output, pedal, audio input, USB TO HOST, and USB TO DEVICE connections.

Product Details

• Brand: CASIO

• Series: Casiotone

• Model: CT-S1BK

• Color: Black

• Product Type: Portable Electronic Keyboard

• Number of Keys: 61

• Key Type: Piano-shaped, box-style keys

• White Key Dimensions: Approx. 136 × 22 mm (L × W)

• Touch Response: 3 sensitivity levels + Off

• Sound Source: AiX

• Maximum Polyphony: 64 notes

• Number of Tones: 61

• Built-In Songs: 1 demo song + 10 piano demo songs

• Metronome: Yes

• MIDI Recorder: Yes

• Tuning Function: Yes

• MIDI Support: GM Level 1 compatible; MIDI communication with a computer via USB

• Bluetooth MIDI/Audio: Supported with separately sold WU-BT10 adapter

• Speakers: 2 × (13 × 6 cm)

• Amplifier Output: 2.5 W + 2.5 W

• Speaker System: Horizontal bass-reflex system

• Connections:

  • Headphones/Output

  • Pedal

  • Audio Input

  • USB TO HOST (Micro-B)

  • USB TO DEVICE (for wireless MIDI & audio adapter)

• Power Supply: AC adapter or 6 × AA alkaline batteries; rechargeable AA Ni-MH batteries (eneloop) are also supported

• Dimensions: 930 × 258 × 83 mm / 36.61 × 10.16 × 3.27 in. (W × D × H)

• Weight: Approx. 4.5 kg / 9.92 lbs (excluding batteries)

• Included Accessories: Music rest, strap locks, AC adapter (AD-E95100LJ)