Audio Sensibility grounding wires


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I just bought a pair to try on my speakers, definitely wasted a lot more money than this previously and with money back guarantee what is the worry?
I bought the Statement version.
Mapleshade has a somewhat similar device that’s a ribbon “ground plane” cable that is connected to ground and parallels the speaker cable and placed an inch away. I knocked one off a few years ago, works great! Field-shaping ground plane ribbons.