FastAndClean
Previously known as presata
that thing rise from 1khz down too soon, the sound must be thick with a lot of spillage into the midrangeGot the Vented DMG filter. Here is how it compares to the others that come with the NiceHCK M6.
For me, the Vented filter is definitely worth the $10 to level out the DMG or M6 a bit.