The mechanics of a classical piano or grand piano are based on a proven concept. How does hammer action work on the digital piano? The hammer action gives the digital piano player the feeling of a real or grand piano. The e-pianos with hammer action feature a special, weighted keyboard with 88 keys which are designed to give the player the most authentic feel possible. It is the liveliness of the sound and the natural feel that digital pianos and CASIO digital pianos convey and this applies particularly to digital pianos with hammer action. The reason for this popularity lies not only in their noble workmanship, the wealth of sounds and effects, and the variety of technical innovations that CASIO instruments are equipped with. Digital pianos with hammer action: feels just like a grand pianoĬASIO digital pianos and e-pianos are among the most popular keyboard instruments for beginners and professionals alike.