One thing I tried that seemed to have no effect whatsoever, was the "Magic Foil" by Peter Belt Systems.
They offered a free trial, and even though I was severely skeptical, I tried it out.
The claim was that it "calmed the inherent stresses that result from having electronic equipment in the room, which excited our prehistoric fears".
Needless to say, this was "over the top", but after reading some things where people said it worked, I tried it for free.
I can say that after applying the product as directed, I noticed absolutely no change in the sound whatsoever.
Perhaps my skepticism stopped me from receiving the true benefits of the product, I don't know for sure.
YMMV.
They offered a free trial, and even though I was severely skeptical, I tried it out.
The claim was that it "calmed the inherent stresses that result from having electronic equipment in the room, which excited our prehistoric fears".
Needless to say, this was "over the top", but after reading some things where people said it worked, I tried it for free.
I can say that after applying the product as directed, I noticed absolutely no change in the sound whatsoever.
Perhaps my skepticism stopped me from receiving the true benefits of the product, I don't know for sure.
YMMV.