My first impression was - Man that hurts! They feel tough and sturdy. They felt the same way when I put them in my ears - plus the sibilant effect.
When I wear them for more than 40 minutes those metal IEMs start to hurt my ears. I mean physically. The sound is weird and unclear. The bass is OK and I can hear vocals fine but the treble is unacceptable. It`s sharp. I could hear song details but not in a pleasant way. Cymbals and snare hits made my ears ache.
From the inside. Songs with a lot of those sounded just like sssssss and much worse. But after some time, my ear got used to them. I took foam tips and now they are my daily driver. Solid built quality, uncomfortable, bad sound. For 40$, OK, but not the first choice. Sometimes I think I wear cannon trebles.
I bought them recently. They cost me around 25$. First thing - you will get 3 sets of tips: small, medium and large. THROW them away. Buy foam ones. Why? Because I almost lost my ears after half an hour of wearing them without foam tips. The earpieces themselves are OK. They feel sturdy but they are heavy as a feather. So if we exclude tips, build quality is top-notch.
They fit my ears without a problem. Isolation is fine. The sound quality is average. Clarity is acceptable. In my taste, the sub-bass lacks volume, midbass is forward. Vocals sound correct, but the instruments` sound could reproduce better. So I wouldn`t recommend them to someone who is into acoustic music for sure. . Clarity could be better, they are built well ( if you ignore silicon tips) so overall - OK. For the price range, they are great.
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