According to the manual networked audio is limited to 32bit 48khz. I'd imagine connecting via the optical or coaxial digital would work, as those formats support up to 192khz in stereo, but I can't find documentation for what that Denon receiver supports on those ports.
HT: Sony 940C, Oppo 203, Harman/Kardon DPR1001, Infinity Interlude IL40 x2, Infinity Interlude IL36C, Infinity MS-1 ii x2, Infinity MSW-1
Computer: Elac Uni-Fi UB5 x2, Elac Element EA101EQ integrated amp, SVS SB-12NSD
Dedicated 2-channel: Infinity Intermezzo 4.1t towers, Bluesound Node 2, Emotiva PT-100, Crown XLS 1502, Furman PL-8C