Amazon.com: 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
Crystal Pilot Heli Power Audio Cable W/ GoPro 5,6,7,8 Adapter – Pilots HQ LLC.
NFlightCam GoPro Hero3, Hero3+, and Hero4 Audio Cable
Using the GoPro Audio Adapter with the HERO 8 camera - ULANZI G8-7 Door - YouTube
NFLIGHTCAM GOPRO AUDIO CABLES from Aircraft Spruce Europe
Music Input and Audio Record Connect Cable for Intercom AUX Port – Rugged Radios
3.5 Mm Microphone Adapter Cable For Gopro Hero 4 5 6 7 8 Session Mic Cable Type C Interface Aamic-001 Usb Camera New Accessories - Sports & Action Video Cameras Accessories - AliExpress