Sony STR-DN1080 Manual page 115

Hint
You can also install and use one more receiver or amplifier in Zone 2. In this case, connect the
amplifier installed in Zone 2 to the AUDIO ZONE 2 OUT jacks of the receiver installed in main zone.
HDMI zone
You can enjoy video and audio in another room by connecting a TV or different AV receiver
equipped with an HDMI input jack and located in another room to the HDMI OUT B/HDMI ZONE
jack. For example, movies or music from an AV device located in the living room can be played
at high quality in a bedroom.
Note
There are restrictions on the audio sources that can be used in Zone 2 or the HDMI zone. For
details, see "Available inputs for each zone."
[116] Using the Multi-Zone Features
Available inputs for each zone
Available inputs vary depending on the zone you have selected.
Overview of multi-zone features