Bose A20® Headset Cable - Dual GA Plugs Coiled Cord Electret Mic - Without Bluetooth

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Part# 11-13786
MFR Model# 327070-X020


This Bose A20 Aviation Headset cable assembly includes an electret microphone with a conventional control module, general aviation dual plug connectors, and coiled cord. Battery powered.
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WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • Battery powered
  • Electret microphone
  • Twin plug
  • Coil cord
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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 Bose A20 headset cable work to convert my Bose X for GA use?

No, the A20 cable assemblies will only work with the Bose A20 headsets. Bose has stopped production on the Bose X cable assemblies and they are no longer available. In order to convert your Bose X to a Dual GA plug setup, please search "Adapter Wizard" on our site and use the page to select the correct adapter.

Q: Can this cable be used on a headset with Bluetooth capability?

Yes, the part of the headset which adds Bluetooth capability is this cable. The headset without a cable can use either the with Bluetooth cable or the without Bluetooth cable. The headset alone is interchangeable with any of the cables.

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