Ive had two of these for a year and a half. The sound of the speakers are great the app which is required is worthless. DO NOT UPGRADE TO IOS 9.3. The upgrade just broke me again. I have always been a fan of Denon products but this system has been more trouble than its worth. I recommend Sonos. Im going to sell these and move on while I still have a semblance of sanity left and you should too.
Ice bugs about HEOS