I did not expect such a sound from Sony. At the same time, I have various Sony micro-headphones for 300 lying around in my pockets, and their sound is much deeper. I did not expect that such a "plastic" sound can be made in overheads. You'd expect a similar sound from noname brands in Thailand or out of the box with a cheap phone. But not from Sony. Next time you should look towards proven Philips or Senheiser.
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