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
Replacing Blown Speaker on Bose QC35 I & Bose QC 35 II | Repair Tutorial - YouTube
2pcs Replacement Drivers Speakers 40 Mm 32 Ohm 132db Speaker For Bose Qc25 Qc35 Qc15 Qc3 Ae2 Oe2 Oe Studio Studio 2 Headphones - Earphone Accessories - AliExpress
Amazon.com: SoloWIT Earpads Cushions for Bose Headphones, Replacement Ear Pads for Bose QuietComfort 15 QC15 QC25 QC2 QC35/Ae2 Ae2i Ae2w/SoundTrue & SoundLink Around-Ear Series : Electronics
Original Speaker Unit 40mm For Bose Qc15 Qc25 Qc35 Qc35ii Qc3 Ae2 Oe2 Headphone 32 Ohms Sounds The Same As Original Perfect !!! - Earphone Accessories - AliExpress
How to fix a Bose QuietComfort QC25 that has lost sound on one side for about $30. | kohacraft's blog
Original Speaker Unit 40mm For Bose Qc15 Qc25 Qc35 Qc35ii Qc3 Ae2 Oe2 Headphone 32 Ohms Sounds The Same As Original Perfect !!! - Earphone Accessories - AliExpress