I am new to head-fi and this is my first ever review. Basically I joined head-fi to read people's expert opinions on different products, as I'm not an audiophile and do not know much about the science of all the media devices and headphones being reviewed. Here I would give some simple observations I've had with Fiio X1. Previously I used to listen to music using my HTC One M7 and I thought that DAP's won't make much of a difference to the sound quality which matters for me the most (sq > ui, for me), until I got one on my cousins suggestion. And for...