How do you mix with headphones ki does not return the bandwidth right?? this headphone has a really dsquilibre gnral in the sound spectrum restitution because the extreme highs are hardly Submitted, the sound being mchant approach a voice t lphone! I advise you not hsiter beyer dynamic dt 770 a comfortable, closed circumaural, great sound ... it's really terrible about the sennheiser 250 linear, c of the "shit"! APRS have bought 4, I must rinvestisse ds of beyer ... it's really not possible to work with his headphone (his rotten low notemment ds)! I heard about the BD 831 I believe and apparently it'll be even better than the 770 pro, normal vs. tell me it was his successor who has been released! a try ...