Try a daisy chain of Richard Gray power cubes. Add them as you can.
Seems to me you’re in the dome of noise. Try anything that will lower the noise. It all does something but you may not know how much because a worse sounding connection is covering up. So when you solve the mother problem, the little ones will follow along.
I like to remind myself that my end goal in this is to hear the music as clearly as possible via whatever equipment I have. Science shows us that almost any gear will transmit a signal to a speaker with incredible accuracy. What happens along the way is simply added noise. You really need a dedicated line for at least part of your system.
Seems to me you’re in the dome of noise. Try anything that will lower the noise. It all does something but you may not know how much because a worse sounding connection is covering up. So when you solve the mother problem, the little ones will follow along.
I like to remind myself that my end goal in this is to hear the music as clearly as possible via whatever equipment I have. Science shows us that almost any gear will transmit a signal to a speaker with incredible accuracy. What happens along the way is simply added noise. You really need a dedicated line for at least part of your system.