this post was submitted on 12 Mar 2026
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So, I got an ultrasonic dog trainer. It actually effectively jammed microphones. So, you can look on Amazon for an ultrasonic dog trainer and use that in the presence of these people and just hold the button down and it will jam their microphone. Your mileage may vary. This might not be legal in all places, but basically it sounds like terrible static to the person on the other end. Best of luck.
Using an ultrasonic dog trainer in public may piss off dogs, and other domesticated or wild animals in the vicinity. I woudln't recommend this, except maybe as a last resort on rare occasions.
Kindly ask the person to use a headphone or earpiece may be more effective in many case.
Oh, for sure it's a dick move! As the surveillance spreads and grows, we owe it to ourselves to be aware of the countermeasures.
Also, I've only tested this, not tried it in public, but 100% works on condenser mics I've tested it on.
And to your point, at the gym, I do ask people if they've got to headset when I hear them blasting their media on their phones.