No soundproofing. Turned on the most powerful thrash grave rock and went to the subway to the other end of Hong Kong time. Here I would like to turn to Sobyanin and Putin: the metro must be urgently transferred to the ground, because it is impossible to listen to headphones in the tunnels. Especially JBL tune 205BT. Only at the stations you can understand what they are singing about. In general, the device is not for the metro at all. The good old foam rubber ear pads improve the situation a little. They sit perfectly in the ears, the bass sounds more powerful, the sound isolation is slightly better.
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