I changed my old FiiO E7 to the new E07K cause of a broken OLED.
But trying it for the first time as a DAC on my laptop I can hear a lot of dirt sound.
Some people say that this occurs normally when you aren't using good quality audio files.
But I tried with VBR 0 44K/16b , 48K/16b and even 96K/24b flacs and they all sounded the same. There are dirt even when file is playing but no sound yet. But not when music is stopped.
I'm using foobar with wasapi exclusive mode, FiiO E07K with 0 gain and AudioTechnica M50s. What bothers me is that this dirt isnt that soft dirt like from LPs, its a irritating one.
I'm comparing right now both of them, E07K and E7. And my E7 sounds way WAY better. No artifacts, no dirt, perfect. :(
Try on another computer.