Hello fellow head-fi users. I've been looking for a pair of headphones for Christmas and i'm looking for a pair of cans that pack extra bass. I don't  care about the highs or mids all i care about is the BASS. Out of these 3 headphones what would you prefer? Any feedback is appreciated, THANKS!

Hello everybody,  I am a major bass head and I am getting myself a new pair of headphones for Christmas I have done extensive research and have 3 headphones i've been looking at.  You can suggest any other headphones i didn't list if you think your suggestion is better   1. Sony xb500-...