Amazon.com: BUTIAO QC3 Replacement Audio Cable Cord for Bose Quietcomfort 3 QC3 Headphone with Inline Mic Volume Control 1.4 Meters 3.5mm to 2.5 mm Cable for iOS Android System (Built-in Microphone) : Electronics
Amazon.com: Saipomor QC35II 2.5mm to 3.5mm Audio Cable with Inline-Mic and Volume Control Aux Cord Compatible with Bose QuietComfort 25 QC25 QC35 Soundtrue Headphones(Black) (PVC) : Electronics
This 3.5mm Cable Distorts Signals, Hides Audio-Filtering Circuit | Hackaday
Amazon.com: Bose 3.5mm to 2.5mm Stereo Cable for QuietComfort 3 , 25 , and 35 Noise Cancelling Headphones - Black : Electronics
Bose QuietComfort 45 review: Great ANC, odd sound - SoundGuys
Amazon.com: Saipomor QC35II 2.5mm to 3.5mm Audio Cable with Inline-Mic and Volume Control Aux Cord Compatible with Bose QuietComfort 25 QC25 QC35 Soundtrue Headphones(Black) (PVC) : Electronics
Thore 2.5mm to Lightning Cable for Bose QC25, QC35, and
Amazon.com: Replacement Audio Cable Cord for Bose QC25, QC35, QuietComfort 25, QuietComfort 35, OE2,OE2i, On-Ear 2 Headphones Inline Mic/Remote Control – Black : Electronics