Helicopter U-174 to General Aviation (GA)
Adapter Cable Purpose: This adapter cable allows you to connect a helicopter headset with a U-174 plug to a standard General Aviation (GA) dual-plug audio jack.
Compatibility: Designed for GA aircraft with separate 3/16" mic (PJ-068) and 1/4" speaker (PJ-055) ports.
Important Note: This is a passive interface cable. It does NOT perform impedance conversion.
Warning: It is not compatible for use with low-impedance military headsets connected to high-impedance GA intercom systems.