Bose QuietComfort 35 II review: These already excellent headphones get a touch better - CNET
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