Quality that matches the price. The integrated ALC 888 codec and its HD level codecs are suitable for listening. But it's better to buy an external sound card, for example ASUS "Xonar DG" (a little more than a thousand). It is not very convenient to listen to the players because of the length of the cable. Bolts are hidden under the ambroshur (fastened with latches), unscrewing which I saw a dynamic head inside, but which was hidden in a separate block, which I could not open, although I unscrewed all the bolts there.
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