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Yes, they are BTE with extremely tight moulds. The user guide says Stretta Aya M, Stretta Aya M NT, Stretta Aya HP.


I guess the booklet is relevant to three models. I don't know which ones I have! What's a good way to find out, and does it matter?


EDIT. And I don't know what you mean when you say, "designed for Power?"


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