Pilot USA PA-81 Headset Adapter for ICOM A2/A20/A21 Transceivers

Connect standard dual-plug GA headsets to ICOM A2/A20/A21 transceivers with the Pilot USA PA-81. Durable, passive adapter for clear, reliable cockpit communication.

• Compatible with ICOM A2, A20 and A21 transceivers
• Accepts standard dual GA plugs: .25" (PJ-055) & .206" (PJ-068)
• Passive design — no battery or external power required
• Molded connectors with integrated strain relief for durability
• Direct replacement for common ICOM adapter cables
• Compact, lightweight — minimizes cockpit cable clutter

The Pilot USA PA-81 headset adapter is a simple, rugged solution that lets pilots use any standard dual-plug general aviation headset with ICOM A2/A20/A21 transceivers. Built to withstand regular cockpit use, the PA-81 features molded connector housings and reinforced strain relief to reduce cable stress and prolong service life. Its passive circuitry preserves full microphone and audio continuity without the need for power, making it ideal for training aircraft, personal aircraft, and field operations. Designed for straightforward plug-and-play use, the PA-81 provides dependable communications compatibility for pilots who need to bridge GA headsets with ICOM A-series radios.

Specification	Value
Model / Part Number	PA-81
Compatible Radios	ICOM A2, A20, A21 Transceivers
Input Connectors	Dual GA sockets: .25" (PJ-055) & .206" (PJ-068)
Output Connector	ICOM A-series 2-pin radio connector
Cable Length	Approx. 8 in (20 cm)
Conductors	4-conductor wiring (audio L/R, mic, ground)
Power Requirement	None — passive adapter
Weight	Approx. 1.8 oz (51 g)
Housing	Molded PVC connectors with strain relief
Warranty	Pilot USA standard limited warranty