The PA-88W has a semi-weighted action keybed that is a pleasure to play and perfect for music on the go. The compact keybed allow a slim and light weight design for easy transportation and performance. It is also possible to change the key sensitivity to play more comfortably with a soft or harder touch. The three layer sampled Grand Piano sound is both deep and expressive. We add additional 3D stereo instrument samples to give these models the natural feel and sound for practice and performance environments. This type of sound and its sound delivery system is rarely found on portable units and never at this price. The PA-88W has a total of 8 different instrument voices to play with. It also features customizable effects such as digital reverb and chorus.