Denon x3600 AVR..decode flac quad ?

[jlm8699]

Hello
I have denon x3600, sony x800, and NUC8 htpc w/ foobar2000
Want decode Flac quad files..

Q. Need Denon AVR to decide input from quad flac.

1.connect hd thru x800, and bitstream thru HDMI to receiver?
2. htpc with foobar2000 sending to denon...nit sure how to configure that for true quad.

Thank you