A little bit of patients goes a long way.....
I realized having a KZ product needs to be put on the back burner, meaning burning them in for at least 50 to 100 hours before making a judgement call on them. I hate this procedure myself, but what the heck, what do I got to lose. I really hate burning them, and they all sound terrible when I first tried them out-the-box. Even the VSonic gr07 needs to be burned for at least 100 to 200 hours according to the company. That shows you that breaking them in and after settling leads to changes to their sound signature. Other branded companies puts them through these tortures before selling them to the average consumer. That's why the cost of IEM's coming from famous branded companies would occasionally sell for more. They're pretty much ready for you out-the-box! Chinese companies don't usually like to go through the rigorous time to sell each product, but rather sell the product at a faster pace and lower cost to satisfy even their own profits. So, yes these products are actually good when compared to branded ones, but to realize that..... you got to first burn, burn, burn!