[Index]

I'm thinking about getting one of these for on the go use. I was wondering what's the differences between the three in terms of sound.
 
 
Also, if it helps, I currently have:
 
- Mad Dogs 3.2 and DT770/80 (both are too big to carry around).

 

[KG Jag]

The Amperior is the way to go, if it fits into your budget.  This will be well worth a read:
 
http://www.innerfidelity.com/content/most-excellent-sennheiser-amperior-and-hd-25-1-ii

 

[skfktkwjs]

amperior has better portability (microphone cable, 1.5m)
 
25 aluminum has better bass response and batter isolation. with 2m cable and carrying case