Pros: Almost everything
Cons: The iggy feet u loose a lot as they are badly glued!
As many said already before me...for the money u wont get better amp..and dont forget to do the class a opa627 opamp mod...as that gives him that extra! U wont regret when u buy this little baby..it even drove my he500 very well! But is best paired with a phone like the he300 or a grado..to my surprise it didnt do well with my iem the westone um3x