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Posts: 1,648 | Thanked: 2,122 times | Joined on Mar 2007 @ UNKLE's Never Never Land
#9
Originally Posted by Benson View Post
Perhaps you could explain how they do work...
There's plenty to read. Please use a search engine or a library.

Hint: Notice the part that those types of headphones work best for repetitive sounds, i.e. plane engines, train etc.