Also fire departments, hospitals and other medical services. They’re extremely reliable, last a very long time on a charge and don’t shatter when you accidentally drop it.

If you have a surround setup, try boosting only the center speaker. Dialog is usually played through that.

Someone else mentioned a compressor. If your tv/hifi has a night mode, it’s doing that exact thing.

Even if you need Id/scanner. If the check is at the elevator on the ground floor it may often as well not exist.