Seriously, if you like the quantity of bass, m902 may not be for you I am using m902 with ultrasone pro 900 (which is considered a very bass heavy headphone) and the amount of bass (and the detail) turn out just right :-)

oqvist, thanks for the interesting review Just curious, how do you compare GMP 450Pro to Ultrasone Pro 900?

Just bought this new cans to replace my old Sony 7506 I am currently using Audiotrak Prodigy Cube to drive the Pro 900, playing flac files from my desktop. However, I feel that the vocal is a bit grainy and the overall sound is a bit too warm for my tastes (I do miss the brighter 7506...