Ok I am new here and this might not be a high end question but I want to get the best sound I can from what I have.   PC mobo Audio out - 1/8th to RCA Cable into the CD/Line 2 - Yorkville SOK Mixer Amp- 1/4 to 1/8th connector - Senn HD201s   before I had my Pc connected to the amp with a...

Brought these on a sale at a Best Buy  5 months ago to replace my broken Sony MDRs.....sound is OK...if lacking punch in the low end...but over the last month the right ear has started to rattle badly. I take good care of my gear , the headphones have sat on my amp for the time I have owned...