Bassheads with an insatiable addiction

Hey vegaman, thanks for that tip, it helped a lot with the distortion problem. I also bought Audio Hijack Pro, and now I'm using the Graphical EQ Audio Unit that ships with OS X to do the EQing, which seems to have helped too. The Senns are giving the bass I was hoping for now.

Wow, I just tried this, and it can sound amazing, particularly with older recordings. With some newer recordings it can reduce the width of the soundstage, but it almost always seems to increase its depth.

Hey all, I've just recently started to get into improving my audio experience, and to that end purchased a pair of Sennheiser HD555s. I'm really satisfied with the sound; in fact I was blown away by how detailed it is compared to my last pair of phones (HD205s). However, the bass is a little...