friends, or plug in headphones for quiet play at any time. The 1/8” audio input lets you play along with music from your favorite device, and a 1/4” mic input lets you add your voice to the mix.

You can play on your own, or enjoy the LK-S250’s library of 60 built-in songs.
Connect to the free Casio Music Space iOS/Android app and take your music further, learning how to play your favorite songs from downloaded MIDI files. The class- compliant USB port connects to any Mac/PC/iOS/Android device with no drivers needed.
61
2 sensitivity levels, off
48
400
77
Yes
60
Step Up Lesson, Scoring System, Next Tone Guide, Part Select (Right hand, Left hand, Both hands)
[13cm x 6cm (Oval)] x2
2.5W + 2.5W
2-way [Batteries] AA-size alkaline batteries x 6 Approximatery 8 hours [AC Adaptor] AD-E95100L (DC 9.5V)
5.5W
930 x 256 x 73 mm (w/o music stand)
3.4 kg
Black
Music stand
Reverb (10 types, off)
-12 semitones ~ 0 ~ +12 semitones
A4 = 415.5 Hz ~ 440.0 Hz ~ 465.9 Hz
Yes
0 to 16 beats; tempo range: 20 to 255
Yes
Yes
Yes
Yes
Yes
・Auto Power Off
micro B
Stereo mini jack
Standard jack
Standard jack
Stereo mini jack
Yes (CASIO MUSIC SPACE)
Yes (Using the USB port): GM level 1 compatible