Description Icom OPC-2379 Aviation Headset Adapter for A25 Handheld Transceiver Genuine Icom OPC-2379 Aviation Headset Adapter for use with IC-A25 Handheld Transceiver. As supplied in original IC-A25 package, allows the user to connect any third party Aviation Headset with Dual General Aviation Plugs. Optional remote Push to Talk Switch can be added.
