For sale is a Bose A20 Aviation Headset 6-pin (LEMO) to U174 Helicopter Adapter. This adapter allows you to convert your 6-pin Lemo connector to U174 Helicopter plug for additional connection flexibility. Simply plug your 6-pin connector from the Bose A20 into this adapter and you'll have a U174 Helicopter plug allowing the headset to be used in helicopters. No tools required. Keyed locking mechanism prevents accidental unplugging.

- A20 Aviation Headset with 6-pin plug

- ProFlight Aviation Headset with 6-pin plug

*Can also be used on Lightspeed Zulu 2 and Zulu 3 Panel Powered 6-Pin Plug to convert it to dual G/A plugs. The Lemo connector is also called a Redel connector.

I am also a Private Pilot so Buy with Confidence. I have been selling new, used, and refurbished Bose, Lightspeed and David Clark aviation headsets and accessories on eBay since 2011. Satisfaction guaranteed. If you are not completely satisfied your item, contact us and return it within 30 days for a full refund of your purchase price.