Easy Guide to REPAIR Broken BOSE QC25 Headphones - NO SOUND From One Ear : 5 Steps (with Pictures) - Instructables
Bose Replacement Ear Pads QC25 by Wicked Cushions
QC25 repair] While it's actually not that hard to find good tutorials online on how to replace the speakers, I want to really insist about the heat on plastic. Don't do like
Repairing Bose Active Noise Cancelling Headphones | Hackaday