After several reviews and comparisons, I decided to purchase these bad boys basically cause I love deep bass and loved the looks.   I have them as the exclusive laptop audio output, since the day I received them, my 5.1 speakers burned :D. So I have been using them for all kinds of uses, from youtube videos, 1080p movies and lots of flac audio.   My impressions are not 100% realistic as I think lenovo soundcard must be really crappy. (On 100% laptop volume and 50% external amp bass is horrible, on 60% laptop - 75-80% amp, bass is super clear). I...