I have only tested them with the stx and iPhone. Edit: To me it sounds much fuller just plugged into the iPhone than the stx. The xonar sounds slightly more flatter to me? I do most of my listening on the pc with flac files and foobar that's why I'd like to perfect this setup. This impedance...

Alight, I've recently received my Philips Fidelio x1's I can say I'm very pleased with them so far. However I'd like to make these headphones really shine and have the best performance possible.   I've read around that the stock audio cable should be replaced to improve the audio quality...

Oh great news! Thank-you both for the prompt replies :)

Hi there :)   I am new to Head-Fi and new to this whole 500$+ headphone scene.. so new that I find I'm getting overwhelmed by all the information I come across, especially when it comes to talk of needing amps and dacs? (really clueless when it comes to this) I am no audiophile either, again...