Amplifiers convert the oxygen mask’s M-101 microphone to work with civilian aircraft radios. Insert the PA-12 amplifier between oxygen mask nose piece and the CX-4707 mask cord. Use the PA-102 to connect the nose piece directly to a helmet cord. Available in standard size and extended 14" size.
PA-12 amplifier is used with CX-4707 oxygen mask communication cords.
PA-101 amplifier with 14” microphone cord is used if the helmet has a cord that plugs into the aircraft.
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Gibson & Barnes
1900 Weld Blvd, #140
El Cajon, CA 92020