Hi guys, I just bought these pair of phones and i like them a lot but I still miss my Ultrasone HFI-2400 pair.    First of all, I like the bass and I noticed they can be modded a LOT but i want to mod these to have better mids and highs .  I taped the 3 ports on each can and they have better...

Hi, Im new. My HFI-2400 sound a lot better with accudio but haven't tryed others.  Can my iPad improve sound if I use accudio + Fiio amp? Which amp should I use with my HFI-2400??   Thanks.

First of all I want to introduce myself.  SKIP MY PRESENTATION IF YOU WANT :) I am Andres Marengo from Ecuador, I'm 16 years old and I'm getting very interested about audio. My favorite hobbies are listening to music and gaming. First time I got on head-fi.org was some weeks ago searching...