In my system I couldn’t detect any improvement or detraction to SQ with the Clear Line . I’ve experienced positive SQ improvements from Puron and Shunyata Venom Defender either being used separately or in combination

I had four of them and sold them all.  They did not appear to do anything either on audio or video.

See: 

Interesting. They were listed as a 2023 Editors Choice component by The Absolute Sound. I was considering a purchase, but may just stay away. Thanks for the feedback.