Quote:
Originally Posted by Professor Thump
I am not sure how to answer that. I need to check with legal first before saying something like they will fit. I don't know how well they would "lock" to a competitive nozzle. That is the concern I have.
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They lock perfectly onto the Etymotic ER-4P. They seem much better than the Ety tips, maybe because they're oval instead of round? I don't know if that would make a difference, but they are extremely comfortable tips, the best I've ever tried.