Converts general aviation plugs to U-174/U plug. 18" long. There are two common ways a four conductor U174/U jack can be wired. A switch is provided in the adapter "Y" to accomadate either scheme. If the headset microphone does not work, simply move the switch to the other position.

Note: This headset adapter cable does not change the signal levels or impedences of the headset. Plug convertor only. The aircraft must have general aviation electronics. General aviation headsets cannot be used in aircraft with military electronics.