Improve the sound of the KZ ZES IEM by applying a piece of Paper Towel
Hi everyone, In this post, I will share a slight modification I did to my KZ ZES IEM. I found that this is the best sounding KZ model I have ever used, having a good balance of bass, mids and treble, but I also had an issue with them. For some reason, in rare cases, one of the sides of this IEM would produce lower volume sound. It seems that somehow, the grill was the culprit of it, so I…