The PX-160 utilizes Casio's famous Tri-Sensor Scaled Hammer Action II keyboard. This action features new simulated Ebony and Ivory textured keys for an incredible feel and its three sensors capture the dynamics of a performance with unparalleled speed and accuracy. Casio’s proprietary Hammer Response feature takes into consideration the speed at which different sized hammers move inside an acoustic grand piano relative to the velocity the keys are played. This timing nuance provides the ultimate key-to-sound experience that is unmatched by the standard actions of other brands.