Pros: Sound with a little extra juice
Cons: You're going to need a little extra juice
Straight out of an mp3 player or pc these won't be that good. Coming out of something with more power however they really change and become fun.
Emphasis of the upper mids, which makes them slightly fatiguing, tight bass with decent extension (45hz before a dropoff).
With extra power these are neutral with a bit of life to them. Without any extra power they are tinny and surgical, a poor combination.