
Surprisingly, right out of the box they give a good loud sound. These are the first headphones that did not have to use an equalizer. Didn't have to warm up. They sound better than wired Sony and Panasonic in the price segment up to 1000. By the way, I bought it for 1000 including bonuses. At first he treated jbl as frank China, but changed his mind. If you are thinking about taking it or not, take it. In addition, over time, you can change the battery by ordering on Ali. If desired, the speakers can be replaced. They are loud, louder than 16 ohm wired ones. The bass hits nicely. They are. But you need to understand that they are not the same as in studio large headphones. I like. Much depends on the phone, on different phones they sound differently.

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