[hipolymer]

I ask because my Realtek onboard audio can downmix (by selecting 5.1 setup in settings, and then turning off the center and rear speakers in that setup). My Fiio E10 can't downmix as far as I know.

 

[ehlarson]

Oppo BDP-105 will do this. Not exactly a conventional DAC, but it has a lot of DAC-type features.