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David Clark Low‑Hi Impedance Headset Adapter | P/N 40880G‑01
Convert military‑style headsets for general aviation use. This adapter allows a U92 A/U single-plug headset to connect to GA dual-plug systems (PJ055 and PJ068).
Military to GA Conversion – Adapts low-impedance U92 A/U plugs to standard PJ055/PJ068 GA connections
Plug-and-Play – No installation tools required; just connect and go
Rugged, Field-Ready Design – Built for consistent performance in harsh cockpit conditions
OEM Quality – Manufactured by David Clark for full compatibility and durability
Made in the USA – Built under AS9120B and ISO 9001:2015 certified standards
The David Clark Low‑Hi Impedance Headset Adapter (P/N 40880G‑01) is a must-have solution for aviators who want to use military-style headsets in general aviation aircraft. It converts the U92 A/U plug into the widely used GA-style PJ055 and PJ068 jacks, ensuring reliable, interference-free communication. This OEM adapter is a durable, USA-made accessory that bridges headset compatibility gaps with ease.
Technical Specifications
Part Number: 40880G‑01
Input Connector: U92 A/U (Military low-impedance)
Output Connectors: M642/4‑1 (PJ055) and M642/5‑1 (PJ068)
Best priced around great and speedy service!
Also is the better of the 2 options since it is rated at 5,000 psi, not that I go to that high of pressure but I like the safety and security knowing that my chances of it blowing up in my face are a whole lot better and I can also purchase replacement seals for them at the same shop!!!
I bought the DC PTT because I know and trust the DC quality/durability to hold up to using every day. And so far it’s the best PTT I’ve used. I have a couple other no-name PTTs and the cable sheathing is crumbling and falling off. The DC PTT has worked even in sub zero cabin temp conditions when I didn’t have a functioning heater. I bought two to have a spare but the first one has been working great for 300hrs so far.
