The Casio Casiotone CT-S300 is designed with flexibility in mind. You can use it both as a digital piano with touch response keys and a formidable MIDI Controller. Chief among the impressive features list is Casio's touch response keys. These keys allow for dynamic expression, are velocity sensitive, and have two sensitivity settings to choose from. Next, Casio added a pitch blending wheel that lets you add extra expression and attitude to your playing. Here at Sweetwater, the Casio Casiotone CT-S300 surprised us with the amount of features it contains. You can experiment with 400 unique tones, 77 rhythms, 10 reverb settings, and more awesome features. The Casio Casiotone CT-S200 features a sustain pedal input, and includes an LCD display and AC wall adapter.