Headphones hiss. If you listen to swotting at full volume - this is not a problem. But if you listen to quiet music in complete silence or an audiobook, it will become an unbearable problem. From which I conclude that this is a bad model, and I do not recommend it for purchase. 500r - the top price for this rubbish. It's a pity that Sony supplies such junk. Pros: They work for a long time. Do not fall out of the ear canals. They have a large volume margin. Got cons: Hissing when listening to speech or soft music. Flat unimpressive sound. Top crushed. Some medium and booming inexpressive bass.
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