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Originally Posted by Wmcmanus
I've read with interest over the past several months about various Sensa and UE owners who have sent their custom molded IEM's back in to be "refit", but have always wondered:
1) How do you know that your custom IEM's don't fit properly?
2) How do you pinpoint why they don't fit properly?
3) How do you know where, precisely, on the IEM the fit issues reside?
4) How do you know how much to instruct Sensa or UE to add or subtract from the molds to make them fit right?
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1) They simply will not go in your ears. After first receiving the iem's, the right phone hardly even fit in my ear. It was also clear after i did finally squeeze the thing in there, that it was not fitting correctly.
More subtle however, would be a decent fit, but pain and pressure in certain spots after a short amount of time.
2) In my case, there were specific pressure spots, for example, the bottom bend of the sound tube was digging into my ear. Also the bulge that sits in the big concave part of my ear, was creating a pain spot.
3) Pretty much answered in number 2.
4) Sensa uses their best judgment based on your communication with them by phone. Also, seeing the audiologist who took the molds will allow you to point specifically to the spot on the iem that is causing the trouble. I brought my iem to vicky and told her my problems. She actually put a little dot on the iem with a pen, where the pressure points were. Sensa basically just kinda widdled down these spots, alleviating the problem. I also had the length of the sound tubes reduced, as they were scraping against my inner ear after the initial fit. (Be careful not to reduce the sound tube length too much, as the ability to attain a decent seal may be lost.)
Every time the issue of custom iems and fit comes up, i always feel compelled to express the importance of not expecting a perfect,
bionic fit. The whole business of custom iems involves meticulous construction processes that simply will not result in our idealized hopes of "the perfect fit."
that being said, my sensas fit VERY well and can many times hardly be felt sitting in my ears.
if you're in the market for custom iems, stop waiting, and go buy some now.
they're super cool.
