The device he came up with is different from the usual noise makers out there which is why he's posted the design of it, online, for free. That video is from 2021. If you're so smart, why don't you look it up, build it, do a sweep of your system, and get back to us?
Nothing outlandish in my claims and you still harp on and on which tells me you do hold a grudge from something from the past since you sidestepped my inference. What was it, exactly?
And again, is that one member correct and you don't hear any difference due to your hearing, even with wireless?
All the best,
Nonoise