Indeed, the Asus is far superior even on just the DAC section !, but the biggest difference is that the Schiit is 0.5V quieter, how did you do the comparison ?
Output THD+N at 1kHz (Front-out) : >0.0003 %(-110 dB)
Output Full-Scale Voltage : Line output (RCA, 3.5) : 2 Vrms (5.65 Vp-p)
THD: <0.003%, (-90db) 20Hz-20KHz, at max output
IMD: <0.004%, (-87db) CCIR
Edited by nick_charles - 12/9/13 at 1:20pm