For Bose A20 Aviation Headset 6-pin (lemo) To Xlr 5pin Airbus Pilot Headset Adapter Xlr 5-pin To Lemo 6-pin Headset Adapter - Walkie Talkie Parts & Accessories - AliExpress
Cinematography Electronics - Adapter - Fischer-4 to Lemo-6 Cable
6-pin LEMO Connector to GA Twin Plug Adapter (for Bose A20 Aircraft Powered Headsets)