How to Replace a Broken Left or Right Hinge Swivel on the Bose QuietComfort (QC) 45 Headphones (DIY Repair Guide)
Are the left and right hinge swivels on your Bose QuietComfort (QC) 45 wireless Bluetooth headphones cracked, loose, or broken? Do the earcups feel unstable, rotate unevenly, slide out of position, or show cracks around the hinge joint? If you’re experiencing any of these symptoms, the hinge and swivel mechanism may be worn or damaged and due for replacement.