How to Use Your Own Headphones for In-Flight Entertainment - Make Tech Easier
Bose A20® / A30® 6-Pin To General Aviation Headset Adapter - PA-89/A20 | Aircraft Spruce
Bose A20 Headset - LEMO connector with coiled cable
ProFlight Series 2 Aviation Headset for Jet Pilots | Bose
Amazon.com: Saipomor QC45 Adapter Airplane Audio Stereo Jack Plugs for QuietComfort 2 QC3 QC15 QC25 QC35II QC35 SoundLink SoundLinkII AE2 AE2i AE2W and More Headset with 3.5mm Golden Plated Jack Plugs :