It’s often true that your wifi router and cable modem’s ideal location are not in the same place. Thank goodness Ethernet cable for the most part does not care. Put your wifi router in the best place for transmission. That’s usually centrally located in the home.
Check out my excessively paranoid intro to network surge protection while you are at it. :)
If your home is pre-wired for Ethernet, and every room has a jack sometimes it’s also true that your Wifi router is far from the place your home Ethernet cables all come to. Thank goodness for switches and access points.
I’d say try hard to keep it convenient above all, don’t worry about optimizing Ethernet for audio. Streamer buffers will take care of most of your issues. Wifi on the other hand is fussier.
I’ve heard good things about Wifi 7. That along with multi-bandf ( I think stgarting with wifi 6) really have reduced congestion and improved reliability. If you want to go abolutely nuts you can get the top of the line Asus with an SFP port and run fiber to your audio room and no one will ever try to convince you to spend a lot in Ethernet cables again. :)
That router is too much for me, but given the general prices for Wifi 7 it’s no longer worth it to buy a Wifi 6 router I think.
Oh, and before I forget, free Wifi analyzers are available for every platform I know of. I suggest you use one to gauge the best place to put your router. They are really priceless. PC, Mac, iPhone, etc. there is a free version for all of them. You want good signal strength and lack of other signals.