I heard these were the bassiest cans but upon listening I was not impressed. Is there a good sub bass amp like the ZO2 that anyone could recommend for these? I have the Fiio E7 and it drives them nicely however all I'm looking to do is amplify the lows so maybe an amp to set a lower frequency...

I used to be on eCoustics forum raving about subwoofers, so you know I'm about good quality bass that hits hard. (Had an Alpine Type-X subwoofer) Since I don't drive anymore I'm looking for a headphone to replace a 12. And with all this Beats hate I figured, "gee there really must be better...