Bose A20® 6-Pin To General Aviation Headset Adapter - PA-89/A20

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Part# 11-09422
MFR Model# PA-89/A20


Bose A20 6-pin Redel to GA Adapter

Allows you to use a Bose A20 panel powered headset in a fixed wing aircraft that is not specifically wired with a 6-pin Redel connector. Simply plug your 6-pin Redel connector from the Bose A20 to this adapter and you'll have dual plugs that can be used in almost any fixed wing aircraft. Part # PA-89/A20.

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Item as described, fast service too.

Charles S Verified Purchase


September 17, 2021

E. G Verified Purchase


June 1, 2021


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Will this adapter work on a Bose X headset?

No, this will only work on the Bose A20 headset.

Q: What is the part number to go from a Bose Headset X Lemo plug to Dual GA plugs?

Please use part number 11-03570 to go from a Bose X Lemo plug to Dual GA Plugs. See "Alternate Items".

Q: Will this adapter work with the LIGHTSPEED TANGO SINGLE LEMO PLUG HEADSET?

No, please see part number 11-03570 for the Tango.

Q: Will this adapter work on an AKG AV100?

Yes, this will work with the AKG AV100.

Q: Will this 6-pin to GA headset cable work on the David Clark One-XP?

Yes, the David Clark One-XP has AA battery integration in the control module. Since it has the AA battery capability. this adapter will work fine. Remember, when using this adapter, the headset ANR will be powered from the AA batteries and not from ship's power.

Q: will this provide power for the headset , and all the figures of ANR will work ?

The Bose A20 6-pin lemo cable has a place for batteries. You will need to have the batteries in the cable assembly for the ANR to work.

Q: I bought a 6 pin to 2 pin adapter but the noise cancelling would not work. Did I buy the wrong adapter? Greg

If your ANR headset has a battery power assembly module, then this adapter can be used. If you have an older version of the A20 or a Bose X, you will need Part # 11-03570 which has a 9 volt power supply to run the ANR.

Q: Do you have dual (Aviation Headset) to 6-pin ?

Yes, please see part # 11-06533.

Q: Will the adapter work with a normal Bose headset such as a Bose quietcomfort 25?

No, this is designed to work with the aviation headsets with the 6-pin Lemo plug.

Q: will this adapter work with a Lightspeed Zulu PFX?

Yes, it will work with the PFX 6-pin lemo version.

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