With the LK-S250 you can enjoy music whenever and wherever you like. Its compact size of 930 mm x 256 mm x 73 mm is 30% smaller in volume than the LK-265 and LK-266 models, and it boasts roughly 16 hours of alkaline battery life*. With a grip at the top of the keyboard and a weight of only 3.3 kg, it couldn’t be easier to carry. The design incorporates rounded edges and corners, making it safely portable.
Period of continuous operation may be shorter depending on battery type and your playing style.
Interface easy to use for everyone
The LK-S250 features a simple, intuitive interface, offering an organized layout with fewer buttons by using both a full dot LCD screen and dial. It is also equipped with a home button that lets users return to the original screen at any time, making for a superior multi-function keyboard with enhanced usability.
Sound no one would expect from such a compact keyboard
The use of 13 cm x 6 cm oval speakers with strengthened magnets delivers surprisingly great sound for such a compact instrument. An additional function that optimizes the equalizer in tandem with the volume provides balanced sound from the bass to the highs, even at low volumes.
Dance Music Mode and Voices expand ways to enjoy playing
The LK-S250 includes a mode that lets users put together drum, bass, and synthesizer phrases to easily enjoy dance music, as well as 12 types of Dance Music Voices that sound great with dance music. Just press along with the rhythm to add accents to ordinary playing and enjoy dance music.
Key Lighting System and Step Up Lesson
Help improve your playing with the Key Lighting System, which guides you by lighting the next key to play, and the Step Up Lesson function, which helps you practice in a four-step format.
Piano-Style Keys & Touch Response
The keys are built in a box shape like a piano. Touch Response delivers piano-like changes in volume and tone depending on the force used to play the keys.
My Setup Button
Register your favorite settings to easily recall tones and rhythms such as those learned in music class when you practice at home.
USB to host micro B for expandability
The LK-S250 comes with a USB to host micro B jack that allows you to enjoy making music easily, together with your smart device or computer. (Commercially available cable required.)
App Connectivity Makes Practicing Fun
Chordana Play app
Display 50 in-app demo songs or downloaded MIDI files on the Chordana Play piano roll or musical score screen to play your favorite songs anytime, anywhere. Play music without reading a musical score by striking keys in rhythm with the bars as they scroll down from the top of the screen. Track your score on the app’s scoring feature to make practice fun and watch your playing improve.
Connection method differs according to smart device model.
USB cable and adapter (sold separately) are required to connect a smart device to the LK-S250.
Add to the fun by linking the keyboard with the downloaded Chordana Play app in your smart device.
Casio LK-S250 Specifications
61 standard size keys
Key Lighting System
2 sensitivity levels, off
Built-in tones: 400
Reverb: 1 to 10, off
Beats per measure: 0 to 16
Tempo range: 20 to 255
Built-in songs: 60
Part off function: left-hand, right-hand, both-hand
Step Up Lesson (4 lesson types: EASY, LISTEN, WATCH, REMEMBER)
Lesson part select (left-hand, right-hand, both-hand)
Next note guide
Score (evaluation points)
Built-in rhythms: 77
Dance Music Mode
Built-in patterns: 50
Dance Music Voice: 12
Transpose: ±1 octaves (-12 to +12 semitones)
Tuning: A4 = 415.5 to 465.9 Hz (Initial default: 440.0 Hz)
One Touch Preset: 77
LCD display (adjustable contrast)
My Setup: 1
16 multi-timbre received, GM Level 1 standard
PHONES/OUTPUT jack: Stereo mini jack (3.5mm)
MIC IN jack: Standard jack (6.3mm)
AUDIO IN jack: Stereo mini jack (3.5mm)
USB port: micro B
PEDAL jack: Standard jack (6.3mm) (Pedal sustain, sostenuto, soft, start/stop)
6 AA-size alkaline batteries or AA-size rechargeable nickel metal hydride batteries, Continuous operation: approximately 8 hours (alkaline batteries), approximately 7 hours (rechargeable nickel metal hydride batteries)*, actual battery life may be shorter depending on battery type, performance style, or operation environment; AD-E95100L AC adaptor (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.