Default Moto x DAC?

Hey guys , quick question about the moto x. What DAC does the phone have? I can't for the life of me find an answer, and opinions on sound quality seem to vary. Thanks for any input!

Galaxy Nexus running some form of AOSP

Nexus 7: AOSP/Rasbean jelly

Kindle Fire: AOSP/Rasbean jelly for kindle BETA

iPhone 4 mint 16 gig- might sell, make me an offer

Hey Kindle Fire owners, want a good rom, click here