5th March 2004

This adaptor was constructed from a combination of the Bose aircraft adaptor (basically just a bulkhead socket for the aircraft powered version of the Bose-X headset, purchased from Aircraft Spruce, USA) and the ICOM A22 headset adaptor (an adaptor which allows a conventional twin-jack-plug headset to be connected to the ICOM transceiver).

This adaptor enables the use of the aircraft powered version of the Bose-X headset to be used with the ICOM. It contains batteries which are needed to power this version of the headset. No power on/off switch is provided as when the headset is unplugged, no power is drawn from the battery.

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