Note: 1)HDMI ATC certified HDMI 2.0 and above cable is needed. 2)to use the hdmi audio port, your audio system must be capable of accepting hdmi audio input. 3)to Use ARC and EARC function, pls make sure your TV comes with HDMI ARC and Earc port. 4) when E-ARC is on, basiclly, you can not control the volume by your TV remote.Tested with LG 65NANO95CNA 8K TV and sony 4K TV seems no luck. 5)the 7.1Ch audio is only for HDMI audio out only. the audio output is not decoded,pls make sure your av system comes with decoding capability. 6)there are 2 options, pls check the features and specs. comparison list before your order.
eBay