Sony With the sleek and stunning Sony KDL40WE663BU 40" Full 1080 HD LED TV you have a TV built for Full HD quality picture and impressive sound. Thanks to the ClearAudio+ system, you can enjoy fine-tuned sound. This system analyses the audio form your choice of viewing to increase the clarity help you immerse yourself in the experience. Unveil more of the picture thank to Sony's X-Reality Pro engine that upscales pixel definition and reduce signal noise while the High Dynamic Range (HDR) system adjusts lighting level of your bring out otherwise hidden details in darker scenes and obscured colours in brighter scene. Never miss a moment of the action thank to the Motionflow XR 400Hz. Follow every pass in that all important football game and every subtle expression in that drama you just cannot miss. The Motionflow XR 400Hz provides a more natural motion for whatever you're your choose to watch. Stream Movies, Box Sets and Spotting events or your choice of Music thank to the built in Smart features including services like YouTube and built-in browser