
This is the Bose A30 Headset Cable Assembly and Microphone only. The Bose A30 headset is not included.
Unless you already have Bose A30, we recommend that you choose one of the pre-built Bose A30 Headsets.
The Bose A30 is a modular system. You can use your existing A30 headset with any of the Bose A30 Cable Assemblies to change the plug types without the need for adapter. Swapping the cable is a quick and simple process. No tools required!
This Bose A30 cable assembly features:
Bose Part 857642-T140
5-Year Warranty
If you find a better price elsewhere on this product we will Match that price and beat it by 10% of the difference. See Details.
Purchase today and you can return it in the original condition through Tuesday, July 7, 2026! See our return policy.

This is the Bose A30 Headset Cable Assembly and Microphone only. The Bose A30 headset is not included.
Unless you already have Bose A30, we recommend that you choose one of the pre-built Bose A30 Headsets.
The Bose A30 is a modular system. You can use your existing A30 headset with any of the Bose A30 Cable Assemblies to change the plug types without the need for adapter. Swapping the cable is a quick and simple process. No tools required!
This Bose A30 cable assembly features:
Bose Part 857642-T140
5-Year Warranty
Q: Hiya, I received a new A30 headset for Christmas that is not Bluetooth. Will this assembly transform them to a Bluetooth headset?
A: Yes, this will add Bluetooth to your A30 headset. This cable assembly uses the 6-pin LEMO connector. If you need the standard dual plugs you should get the Bose A30 Cable Assembly With Bluetooth - Straight Cord, Twin Plugs.
If you find a better price elsewhere on this product we will match that price and beat it by 10% of the difference.
Purchase today and you can return it in the original condition through Tuesday, July 7, 2026 ! See our return policy.