I'm sorry if I sound stupid but on the official Texas Instruments website it says that that particular amp has a High Open-Loop Gain: 120 dB (600 Ω), which is why i said that it can power 600ohm headphones, however I do not know what that actually means. Thanks

Hey everyone, I am planning on buying the BeyerDynamic DT 770 Pro (80 or 250 Ohm), and I was wondering if my motherboard's onboard audio chip can support these headphones with such a high impedence. My motherboard is the Gigabyte Z170x-Gaming 3, and according to its user manual , it has really...