V2 18FT ATC Radio Audio Recording Cable with Dual Output for Gopro Phone Audio Recorder Extra Long 18ft / 5meter Airplane Cockpit Intercom with USB Power HERO3 / HERO3+ / HERO4, NOT FOR HERO 5 AND UP : Electronics - Amazon.com
Aviation Audio+Power Cable for GoPro by Nflightcam [Review] - YouTube
GoPro HERO 5 to 10 Audio Recorder Headset Adapter for Panel Powered Headsets - MyPilotStore.com
Aviation Audio+Power Cable for GoPro by Nflightcam [Review] - YouTube
How to Record In-Flight Audio with GoPro Heros 5 thru 11 - InFlightCam Audio Cable - YouTube
Airplane Cockpit Intercom ATC Radio Recording Cable with Power Cable Adapter Audio Cable for GoPro HERO3 / HERO3+ / HERO4 NOT for Hero 5 and UP : Electronics - Amazon.com