Sound quality   These are the headphones that showed me the difference of the sound of headphones driven by an integrated audio card and the ones driven by a dedicated one (in my case, Asus Xonar D1). Needless to say, it was absolutely massive. CAL! have fantastic mids, which make every uplifting trance track SHINE (try e.g. Phillip Alpha - Sudden Changes or Andy Blueman - Neverland). But in order to experience that, a dedicated audio card is a must. I'm pretty sure that they'll satisfy anyone that listens to ambient or orchestral music, at least...

These are sometimes recommended for 'people who want lots of bass'. Well, I'm certainly one of those, and to me, DT-150 had hardly any bass at all. You can't feel the subbass; and when you EQ them to the point that the subbass is strong enough to be felt consistently throughout the whole song, it's still not perfect, and other frequencies suffer - as if their price was $5. I listen to trance and house, and can't stand hearing my favorite tracks without proper bass. My soundcard was Asus Xonar D1, so it's not like it couldn't drive DT-150 at all...

Introduction   Hi. Here's my short review of Ultrasone HFI-580. I'm not a professional writer and English isn't my native language, so bear that in mind.   My sound card: Asus Xonar D1 Music I listen to: trance (uplifting, progressive, tech), house (progressive, tech). Sometimes I also listen to hard trance, drum & bass and dubstep.   Dr. Bass-yl and Mr. Let's Hyde the Lows   During the first week I was overwhelmed with the amount of bass and its superb quality. Then they gradually got loose and lost much of their bass. It totally killed the...