Streaming audio

I stream with my fiance and we use the Behringer Xenyx X1222USB Mixer to connect 2 mics. Everything works how we have it now but because of how it's set up we don't hear each other through our headphones. I plug our headphones, using a splitter, into my computer monitors. What I'm trying to...

My friend is trying to create a professional audio setup for his stream. Because he is streaming from an Xbox I am trying to find a DAC that supports a SPDIF input (or passthrough) so he can hear his gameplay from the Xbox, XLR mic input for interacting with viewers and teamates, and headphone...