Sending my ER-4P's back.
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| Originally Posted by dffman2001 |
Interestingly, I dont know if this is what you are describing, but with my etys on, and my mouth wide open like i'm yawning, I can actually hear sound through my mouth! I'm thinking that it might have something to do with the eustuchian tubes that run from the back of my throat to the ears. I came to this conclusion because the etys did not move at all and seemed to retail a good seal...
sorry for being off topic