Hi to Low Impedence Adapter.Mates civilian headset (amp'd mic and 300ohm earphones in parallel) to military ICS (5ohm dynamic mic input and 10ohm phones output) under panel type. 1ft cables...
Civilian ICS (Inter Communication Systems) are designed to be compatible with high impedance headsets with amplified microphones. Military ICS Systems are configured to accept low impedance headsets with unamplified microphones....
HEADER ASSEMBLY/ICS KEY VOX SLIDE & DPDT PTT W/MIC HI INTERRUPT
ICS Slide switch & XMIT 3NO PTT without microphone interrupt.
CIGJ93 HEADSET ADAPTER ASSEMBLY/GENERAL AVIATION JACKS TO U-93A/U PLUG/WIRED CIVILIAN HELO/BUILT IN CASE/NO CABLE
This headset adapter cable (EDMO# CIGJ84/6-) has General Aviation mono jacks (in case) to U-384/U plug (wiring option 6) connectors and a 12-inch straight cable.
MICROPHONE ASSEMBLY/Electret boom microphone assembly , 6 flexible boom, boom mount, water resistant windscreen and 3 cable with U173/U plug.
ELECTRET BOOM MICROPHONE ASSEMBLY/10 flexible boom, boom mount, water resistant windscreen and 3' cable
GENTEX HELMET CABLE/Coiled cord, retracted 18, extended 6-9', down lead with NATO plug.