Hi mate where would pick up be?

I can't hear any hissing whatsoever with any of my iems. I would say the sound is slightly warm but not as much the sony sound and the detail is astounding. Unfortunately I don't use any streaming services so don't have any experience on that although the official acoustic research japanese...

So my m20 arrived two days ago (I live in Japan) and I have been listening to it non stop. In the last few years ive owned and used sonys z1060 walkman, the a17 plus pha1a combo, an ipod classic, an iphone 6 and an astell&kern ak100 the original. I have also auditioned extensively the sony zx100...