Casio CTK 4000: Hi, my name is Mike Martin, and we're here to talk about the CTK 4000. This 61 key, portable keyboard features a nice, big back-lit LCD display. It has built-in lesson features, and best of all, a really wide sound selection with 570 built-in tones, 180 built-in rhythms. In fact, it even has a 48-note polyphony. So the CTK 4000 from Casio, has everything you need, including USB MIDI interface so you can connect it to your Mac or PC and use it with the software of your choice. That's the CTK 4000 from Casio.
