https://www.whathifi.com/us/advice/hdmi-arc-and-hdmi-earc-everything-you-need-to-know
The most complaints we received from Dealers was that we should have priced it at $5000.00 retail instead of $3000.00. :)
It is on sale right now at 20% off till May 31, 2020.
https://www.anthemav.com/products-current/model=avm-60/page=overview
I hope some of this information helps you in your decision making process if you ended up disappointed or decided differently?
Thanks,
Chris