Neither of my systems have optical audio right now - I'll look into this option.
Main purpose of the setup is to be able to listen to both systems simultaneously through my headphones. I realize that sending the laptop through the desktop is not the best solution - I think a digital mixer would...
I have a laptop and a desktop which I listen to simultaneously via the desktop.
Right now, the laptop's Speaker Out 3,5mm is connected to the desktop's Line In 3.5mm via aux cable. Desktop uses Windows' built in audio mixer to listen to the Line In, allowing me to hear both computers.
Is there...