That’s what [Matt] from DIY Perks set out to discover when ... He fed the output from the pre-amp into a cheap USB audio interface and voilà! — top-notch sound for next to nothing.
He used [Mark Hennesy]’s pre-amp design to start with, and added selectable XLR, RCA, SPDIF and even USB audio inputs. Discrete inputs from his DVD player provide surround input, and an analog ...