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
DuB-EnG: Repair BOSE QC35 QC25 QC15 Quality Headphones Fix Faulty Quality Problems One Speaker Work - YouTube
DIY Replacement Speaker Unit Driver for Bose OE2 AE2 SoundLink SoundTrue QuietComfort 3 15 25 QC3 QC15 QC25 QC35 Headphones