Casio's newest portable keyboards utilize the high performance Zpi sound source to deliver the most realistic piano, organ, and synth sounds, plus a huge library of built-in tones, rhythms, and DSP settings. These powerful instruments feature an on-board sequencer and a mixer, for unmatched creative possibilities, plus powerful built-in speakers to take your performance to the next level.  The CTK-900 is ideal for home/project studio use, open-mic performance, education/classroom applications, or simply for pure musical enjoyment.

The CTK-900 makes it possible to produce very special sound creations - with 824 tones, 176 rhythms and 242 digital effects. The CTK-900 also has FLASH ROM to expand sounds, rhythms and to download songs from the internet, an a SMF Player to play the downloaded songs. It also includes a Internet Data Expansion System that lets you download new sounds, patterns, songs and keyboard seeting over MIDI from the Casio music site.

61 keys, 32 polyphony, touch sensitive, stereo sampled piano tones, 176 rhythms, 242 digital effects/reverbs, synthesizer function, drawbar organ function, digital EQ, auto accompaniment, Flash ROM, Headphone output, power supply not included.