Hi,
I have Asus Xonar DX sound card with Cirrus Logic chipsets: the CS4398 (front) and the CS4362A (centre, side and rear) that runs my new KaliAudio LP6s.
I still have my 5 year old Fiio E10 (Not K) for my Audio Technica M40x and TinAudio T2. I feel both the M40x and T2 have a lot more...