Wired: use the included airline adapter. Wireless: get a Scosche "FlyTunes" adapter, which uniquely connects any *two* Bluetooth headphones to the in-flight entertainment (another adapter, the Twelve South "AirFly", connects just one set of Bluetooth headphones).
Hope this helps.
- Answered by James S
- Jun. 20, 2019
- Flag as inappropriate Answer (Can the QC 35 connect to airplane audio systems?)