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Thread Starter 

Hello to all,

For years I had the Sennheiser CT-270 IEMs. I used them for listening movies and music and their sound was very good for their price. A month ago I decided to upgrade my sound a bit, with Shure SE215.
I bought them from EbayUK (UK seller).I have practice their fit in my ears and I'm sure I wear them right. From the first time I wasn't surprised with the sound I've heard. The sound is too flat and not what I expected from a $100 IEMs
Why in my ears CT-270 are more roomy and with deep and smooth bass and also more silky with highs and mids?
Is something going on with my 215 or is something I had to expect?