Well I am on my second DAC. First one had a loud hum even at low volumes. Nicholas Kindly sent me a new DAC with USB connection but this one only has sound come through the right speaker with white noise coming through the left speaker. In both situation I have tried it with various sources, headphone, amp, cables and the problems remain. I now feel terrible that Nicholas has sent another DAC and that doesn't work as I know it isn't cheap to make and send to the UK.
