Used in conjunction with a powerful PC. With a direct connection to the mother, even taking into account the very, as far as possible, not weak paid sound on it, they give out just a scene. A little cleaner than some svens and no more. But everything changes if you put together at least Aiyiama DAC-A5 PRO. With this DAC in conjunction, these speakers begin to work out all their value, giving out quite juicy bottoms and very accurate tops. With such things as techstep/neurofunk, USB is ideal, the separately tested good S/PDIF could not give something better, but on the contrary, it sounded weaker. Perhaps for something less technical, more classical or vocal, the optics will be more interesting, although I did not hear this. But this is more reasoning about the DAC. As for the speakers, it makes no sense to take them to a weak source without any amplifier. They can do much more and sound just fine in their price range when done right.
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