Casio CTK4200 keyboard

All built-in tones, including piano and acoustic instrument tones, now sound better than ever before! 48-tone maximum polyphony provides plenty of margin to minimize the chance of notes being dropped when tones are layered and when playing with Auto Accompaniment.

An easy-to-play keyboard with an appearance resembling that of an acoustic piano.

AHL* sound source
All built-in tones, including piano and acoustic instrument tones, now sound better than ever before! 48-tone maximum polyphony provides plenty of margin to minimize the chance of notes being dropped when tones are layered and when playing with Auto Accompaniment. * Acoustic & Highly-compressed Large-waveform

Piano-style keyboard
An easy-to-play keyboard with an appearance resembling that of an acoustic piano.

Touch Response
Touch Response lets you add delicate nuances to notes by varying how much pressure you apply to keyboard keys.

Digital effects
Use effects to add reverb for more depth and breadth in your music.

You can use the Chord Book to look up chords you do not know how to play. You can hear what a chord sounds like and a simple operation even shows you inverted forms of the chord, making the Chord Book a valuable reference.

You can sample a sound from a portable audio player or other device, and then play the sound on the keyboard. You also can use sampled sounds to compose music. The sampling feature is a great way to create new sounds that are highly creative.

Start playback of the portable audio player connected to the keyboard’s AUDIO IN jack to sample voices, musical phrases, and other sounds in the playback

Play notes on the keyboard using the sampled sound!
If you sample the "Ting!" sound of a triangle, for example, you can then play notes with the sound on the keyboard. You even can add reverb, vibrato, and other effects to the sampled sound.

Incorporate a sampled sound into accompaniment patterns!
You can sample a favorite musical phrase or drum sound, and use the same to replace some Auto Accompaniment drum sets.

AUDIO IN
Connecting a music player to the AUDIO IN jack causes the audio from the player to be output through the keyboard's speakers. Of course, you can play along with the audio, which means you can enjoy jamming with your favorite artists. It's a great way to liven up a party or any other type of social gathering.

A wide selection of tones (600 high-quality tones) A wide selection of musical instrument tones supports play of songs from various genres.

PIANO/ORGAN Button
180 rhythms and Auto Accompaniments for Latin music and other styles from around the world (180 rhythms including 87 ethnic rhythms and 20 patterns for piano play)
An advanced Auto Accompaniment feature provides you with access to a large collection of ethnic rhythms from around the world, with a special emphasis on Latin rhythms. In addition to Bossa Nova, Samba, and other basic rhythms, you also get Cumbia, Reggaeton, Calypso, and more!

Rhythm Editor
10 user rhythms created by editing built-in rhythms

Music Preset
Selecting a Music Preset instantly changes the keyboard setup (tone, rhythm, tempo, etc.) so it is ideal for playing a specific song. The selection of setups covers a wide range of musical genres.

Preset Scale
Change the scale (temperament) of the keyboard quickly and easily to suit Oriental music or certain types of classical music.
Musical Information Function (Large, Backlit LCD)
A wealth of information is displayed to support your keyboard play.

USB port for computer connection*
General MIDI (GM Level 1) support allows connection with a computer or another GM-compatible device.