Casio CTS500 61-Key Portable Keyboard Touch Response 800 TonesThe Casio CTS500 Electronic Keyboard: A versatile keyboard for practice, performance, and studio. SOUNDS THAT JUST WANT TO BE PLAYEDWhen choosing an instrument, there are some compromises you just can't make. Playing the CT S500 featuring Casio's own AiX Sound Source, you'll get exactly the performance you imagine. It's a keyboard focused on sound, offering a range of rich tones created with expressivity in mind. Thanks to Casio's Active DSP, effect