Aloa, I just want to get the bass what you get on your bassheavy headphones like, vmoda's , pro 900's... But on my Akg K550, i dont know but i tested al of the bassheavy headphones out there out and, the sound is awfull (IMO) I love the sound of my k550s so clean and so flat.. i just want a little bassboost that can.. made me day Options ..