Here's your answer. I believe a balanced power unit makes sense. I was able to obtain mine for under $1K. My system is completely black.
https://equitech.com/what-is-a-balanced-power/
Also, watch this......
https://www.youtube.com/watch?v=ITkuBgFtTjs
https://equitech.com/what-is-a-balanced-power/
Also, watch this......
https://www.youtube.com/watch?v=ITkuBgFtTjs