Looking for feedback from anyone who has tried High Fidelity Cable’s new contact enhancer NPS-Q45T?
Purely speaking as a chemist, who also studied physics, optoelectronics and laser engineering, I would save your money. This stuff makes claims that defy the laws of chemistry and physics.
If, however, you are rich enough to throw away that amount of money without flinching, then give it a try in a double-blind A/B/X test and report your findings.