Dual Male Plugs extension – Fixed Wing

This extension features the PJ-055 (.25 inch / 6.35mm) and PJ-068 (.206 inch / 5.25mm) plugs. The PJ-055 provides audio to the ear cups and the PJ-068 is for your microphone. These plugs will work in almost all civilian and commercial airplanes. The PJ-055 is also known as the M642/4-1 and the PJ-068 is also known as the M642/5-1.