There wasn't even any hiss or 60Hz hum out of it, just pure unadulterated sound. I plugged it in at home and you can hear a buzzing sound, I'm guessing it's at 60Hz. There's some hiss, but that's ...

I've mostly been using my Fubar III DAC to connect my MBP to an older analog-only stereo amp, which means I probably never heard any issues with the DAC because the amp itself has a "nice" hum that ...