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Old April 13, 2012, 12:19 AM   #1
Senior Member
Join Date: May 29, 2002
Location: Illinois :(
Posts: 550
ProEars question

Do they really work as advertised in this video?

Because if so, that's pretty incredible. Another thing I've wondered - what happens when these things run out of batteries? Do they just revert to a regular passive earmuff? Do they maintain their maximum sound reduction level in that state?

They're quite pricey, but they seem kind of miraculous.
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