I don't have a direct answer to your question, but it piqued my curiosity so I did a quick search. I found this informative little post: https://security.stack

I don't have a direct answer to your question, but it piqued my curiosity so I did a quick search. I found this informative little post: https://security.stackexchange.com/questions/154343/can-a-speaker-be-used-as-a-microphone https://security.stackexchange.com/questions/154343/can-a-sp...