I enabled "Lower PLC - ti - VDSL Interface Mode" and it had no impact on the Hi Res audio stuttering. But I appreciate the suggestion. I think the TP-Link Powerline products are going to be removed...

I’ll give it a try, but I think I’m resigned to geta cat 6 cable from my Mac to the router. Thanks for the response. Louis

I am very pleased with the Speedtest results with my Mac plugged into the tp-link, and the internet performance seem great BUT I CANNOT STREAM HIREZ AUDIO. Neither 24/96 or 24/192 stream without a...