cec

I just upgraded from an Onkyo 7.2/1080p system to a Denon system that is 9.2/4k capable. Should have been a _really_ nice bump in performance.... except.... We have an Amazon FireTV Cube and a DirectTV receiver. That's all we really use. Even the old Onkyo you could pick up the Amazon...

I'm very new to this. I've read a lot of articles/reviews/watched videos giving advice and there are heaps saying to use ARC but then there are those who say not to use it... I dont really understand how it works? ARC is for audio? yes? - so how come theres information out there that ARC cant...