i have the same problem with my m510 and m518. eventually, they'll just go off completely. i have to unplug and replug to make it work again. it's really annoying.
hope yours is still under warranty, get a replacement from them.
so will I be using the USB connection, not the optical or coaxial? there's no downside to using USB correct?
btw i'm seriously considering the sparrow now
I was researching on head-fi and came across http://www.mavaudio.com/base/product/tube_magic_d1/
how would that one compare to the sparrow? and If i do get the sparrow, which version should i get? http://www.audio-gd.com/Pro/Headphoneamp/Sparrow/SparrowEN.htm there are 4 different versions and...
I'm thinking about the audio-gd C2. but my source will be motherboard for now... Do I need to get any additional cables with that set up? motherboard sound > audio-gb c2 > k701