The buttons on Zenith’s original “clicker” remote were a mechanical marvel

https://lemmy.world/post/2384109

The buttons on Zenith’s original “clicker” remote were a mechanical marvel - Lemmy.world

Would it have been possible for the speakers of the time to emit those frequencies? Imagining the equivalent of a Twitch raid: “I’m done broadcasting so I’m going to send you to the next channel.”
Not really sure, doesn’t seem like they’d bother to deaign speakers that make sounds we can’t hear or broadcast them but that doesn’t mean it wasn’t possible