so... i have a meizu mx4 pro, which claims to have an ES9018K2M DAC and an OPA1612, and a pasive filter    link to specs here: http://www.meizu.com/en/products/mx4pro/hifi.html   so, if i want to buy a better AMP/DAC, which models are an equivalent to my phone in specs and which models would...

hi, im pretty new to this forum and also a newbie in the headphone world, but since i discovered the great pleasure of listening to good headphones,  i do a lot of research in this forum and want to learn more about what to look for when buying a new pair of cans, i currently have a pair of...