An airhorn should only be used outdoors. These can output 120 decibels, enough t... | Hacker News

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		riffic on July 16, 2019 \| parent \| context \| favorite \| on: Ask HN: How to deal with constantly getting cut of... An airhorn should only be used outdoors. These can output 120 decibels, enough to cause pain and temporary hearing impairment.

mixmastamyk on July 17, 2019 [–]

Was thinking of the small can type, not one for a train. But yeah, not too loud.

riffic on July 17, 2019 | [–]

Yes, portable airhorns produce damaging levels of sound output. Do not use indoors!

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