Casio Privia PX-770 digital pianoIntroducing the Casio Privia PX 770 digital piano The PX 770 offers an excellent specification for its price, with a realistic piano sound and authentic key touch that is certainly the best at its price point. It shares the same Tri Sensor Scaled Hammer Action II keyboard with the more expensive Celviano and Privia instruments along with the same AiR sound engine so there is no compromise on playability, and its slimline and simplistic cabinet makes