The bass sounds better with my MDR-7550 headphones than it does with my HD-25 headphones because the HD 25 only goes down to 18 Hz and not 3 Hz like the MDR-7550.
Maybe this sounds better with the HD25s
This I remember sounded better on those Sony MDR-Z110APs that Amir liked. In comparison to the Sennheiser HD 25 I mean. It has more of a bump to the bassline with those. And the sound is more enveloping somehow, more 3D.