Good headphone amplifier (I have an Audio-Technica ATH-A2022Z, as well as MSR7) The sound is as detailed as headphones allow. High frequencies sound a little dirty and a little accentuated, but they can't be compared with the screaming creative Z, where instead of the sound of porridge. If you value good uncompromising PC sound, then you'd be better off with the AE-9 where, compared to the AE-7, the highs sound more delicate and clear. But if you have headphones with less detail, and even with aSee full review