i find the signature sound of m9 quite dark, and one of the common complaints were the bass overpowering/creeping in the mids. i tried experimenting it without opening it and here's what i found:     1. in your m9 earphones, locate the holes in the aluminum shell. it should be there...

hi! im new here at headfi.. i was wondering where can i find extra foam pads for my HD228 since they're starting to peel off. im not from the US and sennheiser here (philippines) are not willing to replace them. where can i find one? thanks!