itsnein
100+ Head-Fier
The same point why desktop digital transport exists on the market.You can use your smarphone
1) not any smartphone applicable
2) quality with proper power much better than with smartphone
3) lan connection sounds better than wifi (on smartphone)
4) roon mobile app - not the same as roon end-point on digital transport
k17 have digital out (coax + optical), but usb would be a nice add-on for DAC with good usb-in implementation