Question about Denon AVR-X1700H DAB

yes, works well

Yes that works

Hello Markus,
Yes, the system is fully compatible with HEOS.

Regards

Yes, the AVR supports HEOS. I don't use HEOS myself, so I can't say more about it.
Here you can find an info sheet and manual with more information:
https://www.denon.com/de-de...