I have the Focusrite 4i4, but just run stereo sound to my monitor speakers from the PC. You have taken it to another level. I don't really have space for surround in the study, but we have a surround amp in the living room that is nice for movies.

I run a mixer into my Focusrite so I can get various instruments through the speakers or record them. I could record 4 channels at once, but have never done that.

There is something about your post that makes it flicker in peakd, but is fine in Ecency. I wonder if it is something about the images.