MusicCast is a new revolution in network audio, use all your MusicCast products together or separately, it’s completely up to you. Control it, all from one app, designed to be intuitive, quick and simple to use. Yamaha Parametric Acoustic Optimizer analyzes the room acoustics and adjusts various audio parameters for optimum sound in just a few minutes ensuring that the listening area is tuned to provide the best audio experience possible. This AV receiver completely supports with the latest HDMI standards. Thanks to transmission of 4K video at 60 frames per second pass-through, you can fully enjoy the high definition video quality of 4K without degradation.