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zeydey t1_is6fpgz wrote

Reply to comment by cuttlefishwasright in Mysterious boop sound in Cambridgeport by relationship-nerd

Might be. I know Braintree Police have these really loud and bassy sonic boom type things, you can feel it pulse your car as they drive by. Wild tech.

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frankybling t1_is6iers wrote

they use them for hearing impaired people, but they also work for people who have their car stereos up too loud to hear normal sirens (but the origins purpose was for the hearing impaired)

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