The Apex' are very expensive but often available used. I also upgraded to the SiNi balls which is a good value further add on
I realize that we all have our opinions and preferences. So, I am just adding my present arrangement to the discussion.
After many years of trial and error and upgrading 50+ years:
I have tried the amps directly into the wall and I prefer them plugged into the HI-Current outs on the AudioQuest Niagara 7000.
ozzyDimensions: 26’ × 17’ Large
Ceiling: 8’