How to Replace a Faulty AUX Port (2.5mm Audio Jack) on the Bose QuietComfort (QC) 35 1st and 2nd Generations (DIY Repair Guide)
Do your Bose QuietComfort (QC) 35 (I and II) wireless Bluetooth headphones produce no audio, crackling, or static when using a 3.5mm audio cable? Does the sound cut in and out when you touch the audio cable, or do the headphones fail to detect a wired connection? If you’re experiencing any of these issues, it’s time to replace the AUX port on the Bose QC 43 headphones.