Between the DBA-02 and the B2, is there one better than the other ? Also, do they have good build quality ? I saw the promo, $109 instead of $169, that could be a great time to buy them.
If I go into the higher category, would the earsonic SM2 v2 be the best choice for the music I listen to ?
They have excellent build quality. The cord can become a nuisance after awhile by becoming uncoiled but that hasn't been an issue for me personally. Yeah, I think that $109 promo ends before the end of this month. I've never personally heard the SM2 v2, but I do know they have a very similar signature. I've actually heard they have less boom in the bass and are much more colored on the highs, which could work out better for rock but when you're dealing with a less boom already, they may not suit you if you're worried about losing out on the bass. On top of that, I've read that the SM2 v2 aren't a great value at that price point, and I can't imagine them being worth that big a gap more than the B2.
Neither the B2 or DBA-02 are better. They are the exact same, but you can get the B2 for a bit cheaper and it might be easier to deal with Brainwavz support if you ever need to than Fischer Audio's support.