Can it be right that the unit will not play Amazon HD FLAC files at full resolution? After selecting and registering the app to my account at Amazon music from the music services menu, the 'now playing' tag shows 'HR' by some albums I know stream at 192 K, but the optical input on my Audiolab MDAC+ shows only 48 K. This same MDAC+ unit displays 192 K from Audiolab 6000N streamer controlled by DTS-Play app playing the same Amazon HD material. The Bluesound App is certainly streaming the RadioParadise stream at 88 K so there is not a problem with the Bluesound to MDAC+ compatibility.