It's confusing because HDMI Audio and HDMI ARC Audio are not the same
thing. This device does what you want to do The Chromecast goes to HDMI
IN 1 the Soundbar goes to the confusingly labelled HDMI IN 2 and the
projector connects to HDMI out 1 . I ha...
I have used AirReceiver which can be downloaded on to any Chromecast or
Google TV device or a Fire TV. it puts Apple's Air Play on the
chromecast which enables screen mirroring from any iPad or iPhone. It
costs $3 and is well worth it because it is s...