I clicked your links but they come back with errors. You need a splitter that supports edid control or downscaling so you get the max 4K hdr signal to your tv and the complete audio signal to your receiver. I use an HDFury Vertex2 for this but I know these EZCOO devices also do it a much lower cost https://www.amazon.de/dp/B085Q37JPR...uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl