QC25 QC35 Cable Replacement Headphone Audio Cord with Inline Microphone Remote Control Compatible with Bose QuietComfort25/35/2, OE2/OE2i, Soundlink/SoundTrue Headphones (Blue with Mic)

those headphones fail in one ear use this video to help yourself fix your own headphones both model QC 15 and QC 25 both very expensive headphones from Bose tend to blow driver speakers so effectively this little video here is showing you how to replace those drivers speakers a couple of tips and tricks on how to make that happen so what we're going to do is we will have a look at the qc25 first you remove the foam ear padding and then you remove the little ear ear material pad there which has got some sticky tape on it the cushions and the pads and then what you do is you take a screwdriver and you undo some of those little Phillips screws and they in fact all of the Phillips screws you can get your hands on and there's one either side of that little piece of of tape that's in there and then the back will come off now and these headphones are actually quite good they're quite well buil