Hey. I read reviews about these and heard that there was more bass quantity than the HD650. But, I just upgraded from HD555 and I couldn't tell the difference. I just bought these yesterday though. It's not really a burn in problem as it has had about 20 hours. Recently I purchased a UDAC for my...

So I've had my HD 555's for about two years now and the 3.5mm adapter was a little bent. Have been using them lately on my laptop with no DAC or AMP etc. Unplugged them and noticed that the tip is completely lodged inside of my headphone jack. I spent some time trying to take it out but in the...