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Consequently, does Apple TV 4k have HDMI ARC?
The lone output provided on the Apple TV 4K is HDMI, and there are two ways to make that hookup to your audio system. A second hookup option if your TV has an HDMI ARC (Audio Return Channel) port would be to link the Apple TV directly to the TV and use the HDMI ARC connection to route audio back to your receiver.
Beside above, what is HDMI ARC? HDMI ARC stands for "High Definition Multimedia Interface Audio Return Channel". ARC allows for the "upstream" and "downstream" of signals over a single HDMI connection between your TV and any ARC-equipped A/V deices. This allows for the use of a single remote for all of your connected devices most common functions.
does Apple TV have audio output?
The new Apple TV lacks the digital/analog audio output port of the previous models. But you have options! (AirPlay and older Apple TV models support 5.1 surround sound, while the new Apple TV can output both 5.1 and 7.1 but only via HDMI.
Does it matter which HDMI port I use?
When it comes to selecting which HDMI port to use for which device, there are only a few simple things to keep in mind. Finally, while any port will get the job done for older HDMI-capable devices, you will absolutely want to be sure you're using best port on your HDTV if you have a newer device capable of 4K input.