When I first bought this amp to pair with my HD439, this amp was soooo awesome! It make music sound really clear and instrument separation was good. I've always set it to Mid boost to listen to chillstep.
But recently my amp got worse. The sound is just, well, mess up. It's so annoying that now I only plug my headphone directly to my macbook. I don't know if it's a burn out amp or something, I only see that it got worse.
Anyway, I'm planning to buy the CmoyBB from JDSLab, do you guys think it's a good amp?
I think you can find your answer here (click).