| Keyboard | 61 standard size keys |
| Touch Response | 2 sensitivity levels, off |
| Maximum Polyphony | 48 |
| Tones | Built-in tones: 400 |
| Digital Effects | Reverb: 1 to 10, off |
| Metronome | Beats per measure: 0 to 16 |
| Tempo range: 20 to 255 | |
| Song Bank | Built-in songs: 60 |
| Part off function: left-hand, right-hand, both-hand | |
| Auto Accompaniment | Built-in rhythms: 77 |
| Dance Music Mode | Built-in patterns: 50 |
| Dance Music Voice: 12 | |
| Other Functions | Transpose: ±1 octaves (-12 to +12 semitones) |
| Tuning: A4 = 415.5 to 465.9 Hz (Initial default: 440.0 Hz) | |
| One Touch Preset: 77 | |
| Sustain button | |
| LCD display (adjustable contrast) | |
| MySetup : 1 | |
| APP Function | Chordana Play |
| MIDI | 16 multi-timbre received, GM Level 1 standard |
| Pitch Bend Wheel | 0 to 12 semitones |
| Input/Output Terminals | PHONES/OUTPUT jack: Stereo mini jack (3.5mm) |
| AUDIO IN jack: Stereo mini jack (3.5mm) | |
| USB port: micro B | |
| PEDAL jack: Standard jack (6.3mm) (Pedal sustain, sostenuto, soft, start/stop) | |
| Power Jack | 9.5V DC |
| Power Supply | 2-Way Power |
| 6 AA-size alkaline batteries or AA-size rechargeable nickel metal hydride batteries, Continuous operation: approximately 19 hours (alkaline batteries), approximately 15 hours (rechargeable nickel metal hydride batteries)*, actual battery life may be shorter depending on battery type, performance style, or operation environment; LAD-6a AC Adaptor 9.5V (JEITA Standard, with unified polarity plug), 30-minute Auto Power Off (Can be disabled.) | |
| Measured values while using eneloop batteries. eneloop is a trademark of Panasonic Corporation. | |
| Speakers | 13cm x 6cm (oval) x 2 (Output: 2.5W + 2.5W) |
| Power Consumption | 5.5 W |
| Dimensions | 93.0 (W) x 25.6 (D) x 7.3 (H) cm |
| Weight | Approximately 3.3kg (Excluding batteries) |
| Included Accessories | Music stand |
CASIO CT-S300BK Electronic Musical Instrument is a versatile and user-friendly keyboard designed for both beginners and seasoned musicians. Part of Casio's innovative Casiotone series, the CT-S300BK stands out with its slim and smart design, making it highly portable and aesthetically pleasing. At the core of the CT-S300BK is its 61 full-size, touch-sensitive keys, which provide a responsive playing experience that mimics the dynamics of an acoustic piano. This feature is particularly beneficial for developing proper technique and expression. The keyboard is equipped with 400 high-quality tones, ranging from classic pianos and electric pianos to orchestral instruments and synthesizers, allowing musicians to explore a wide variety of sounds. Additionally, the CT-S300BK offers 77 accompaniment rhythms, providing a rich backdrop for practice and performance. One of the standout features of the CT-S300BK is its connectivity options. The keyboard includes a USB-MIDI port, enabling seamless integration with computers and other MIDI devices for music production and learning applications. This feature is complemented by the ability to connect to Casio's Chordana Play app, which provides interactive lessons and supports MIDI file playback, making practice sessions more engaging and effective. Portability is a key attribute of the CT-S300BK. Weighing only 3.3 kg (7.3 lbs) and featuring a built-in handle, it is easy to carry and set up anywhere. The keyboard can be powered by six AA batteries, offering up to 16 hours of continuous play, or by the included AC adapter for extended use at home or in the studio.
