Bose A20® Headset Cable - 6-Pin Lemo Plug Straight Cord Electret Mic - Without Bluetooth

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Part# 11-08738
MFR Model# 327070-2040


This 67" cable includes an electret microphone with conventional control module. One end of the straight cable has a single-point connector to the headset. The other end has a self-latching plug for insertion into the panel connector of an installed wire harness.
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  • For aircraft owners who prefer an installed, aircraft-powered headset
  • Operates on 10-32 VDC
  • No batteries needed
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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: Looking for a control module for my Bose A20 headset with 6-pin plug to replace my dual GA plugs. Dont need or want Bluetooth. Looks like Part # 11-08738 would do it - but what is a LEMO plug?

Yes, this is the correct part number for what you need. The 6-pin plug that uses ship's power is also referred to as a LEMO plug.

Q: I recently purchased 4 Bose A20 headsets. Our A36 is about to complete a panel upgrade that will also allow the Lemo plug to be used by the front seat occupants. What product do I need to upgrade the headset(s) and, is the conversion something I can do myself or will I need to have that done by Bose?

This is the product you need. You can unscrew your current cable assemblies from your headsets and replace with this cable assembly. It is something you can replace on your own. If you don't need Bluetooth, order part # 11-08738, if you would like the Bluetooth, order part # 11-08734.

Q: Can the Bose A20 Aviation Headset Cable (6-Pin LEMO plug, straight cord for electret mic, without bluetooth, p/n 11-08738) be installed on the older Bose-X Aviation Headset? The control module cable assembly on my Bose-X needs to be replaced, but there are none--new or used--available from online vendors, eBay, etc.

No, this down cable cannot be used on a Bose X headset. It is meant specifically for the Bose A20 series.

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