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hilde45Don’t fully understand the stuff about Cisco switch; have been using wifi rather than ethernet cable because I’ve read that ethernet cables are susceptible in real ways
Read increasing reviews of the sonic benefits of an audiophile Ethernet switch.
Last I checked the $4k Telegärtner m12 network switch was at the top of the heap. Fortunately, there are some new audiophile Ethernet switches more wallet friendly.
To further lower noise there are optical isolation options for both Ethernet and interconnects. A 2019 list of Ethernet switches:
https://www.stereonet.com/forums/topic/298457-ethernet-switches-for-audio-part-a-list-of-switches-re...A sceptic review who thinks it’s a placebo:
https://www.audiosciencereview.com/forum/index.php?threads/do-audiophile-network-switches-make-a-dif...But there are many who hear improvements and not everything we hear is measurable with current science.
There’s also Uptone EtherRegen and audiophile Ethernet cables.
I haven’t yet decided how far I want to go down this $ rabbit hole.