Pros: Bass, sound quality
Cons: build quality
First Im not a pro, please dont quote me if anything is wrong.
The sound is one of a kind for BA, bass heavy sound signature. These are some of the bassiest BA you can find, with good instrument separation and soundstage. IMO really good for metal music, vocals are a bit far, v shape frequency responds.
Build quality for the earphone body is just fine, but cable and tips have lots of flaws.
Update: these phones sounds so much better after removing the filter, the highs are brigher. mids are not as recessed.