I'm considering on buying Sennheiser HD 650 or a used HD580. I read that the HD580 has a somewhat similar sound quality to HD650 so I am considering it. I was thinking on buying the HD650 and fulla 2 so that's around $400 which is about my budget. Or since the HD580 could be found used around...

I just found my E7 in a box from when I had to move.  I haven't used it in probably 9 or 10 months now but when I tried to plug it into my computer I don't see it in the sound playback devices in Windows 7. I had it working before when I first got my E7 but I do a clean install every year so I...

I just found my E7 in a box from when I had to move.  I haven't used it in probably 8 months now but when I tried to plug it into my computer, my computer isn't seeing it. I don't see it in device manager.  I don't remember if the E7 is suppose to say USB IN all the time on the top of the...