Aimed at intermediate and accomplished players, the Casio CT-S500 is an easy-to-use, all-around keyboard that packs in 800 AiX high-quality sounds and an advanced feature set into a sleek and highly portable package, for composing, arranging, and performing. With 61 full-size, touch-sensitive keys, three assignable knobs and a pitch-bend wheel for controlling modulation, effects, and filters, it makes for a highly creative playing experience when practicing at home, songwriting, rehearsing, or for the stage. With 243 auto-accompaniment rhythms that include drum machines, acoustic drums, world instruments, bass lines, and more, you always have a band ready to jam. There is also an audio sampler that enables you to create your own custom sounds and drum kits. The CT-S500 is powered via the included AC adapter or with 6 AA batteries (available separately).