As Ozzy said Entreq is best used on whole systems. You could use one smaller box on one piece of gear but it's far better (cumulative) used on all.
It's at its best when analog gear is attached to one box and digital and or SS is connected to a second box. This is how I have my gear attached. I'm far from wealthy and the boxes are very expensive but over two years I was able to buy used two large silver tells and two matching Atlantis (discontinued) boxes. They have a large positive impact I would never go back.
It's at its best when analog gear is attached to one box and digital and or SS is connected to a second box. This is how I have my gear attached. I'm far from wealthy and the boxes are very expensive but over two years I was able to buy used two large silver tells and two matching Atlantis (discontinued) boxes. They have a large positive impact I would never go back.