[REVIEW] Heir Audio 4.Ai - Reaching Perfection

[WalkGood]

While I haven't finished reading the review as I'm on the way out the door, can you explain this line to me in your second paragraph? "If we get close to the awesome sound customs supposedly produce but in a universal for which is not only more portable..." How is a universal "more portable" as you put it? While I agree they're easier to resell, but it's my believe that both a universal and custom monitors are both portable and more so than full size headphones or even more than portable headphones. I'll comment more when I finish the read later.

Edit: balanced armatures do not require any burn in, check with the mfg if you don't believe me or read other reviews about BAs.