On this page we are discussing how to avoid problems when using the the Avee microphone add-ons.
When and if we have issues – we are honest about them and discuss them here.
In most cases the problem can be solved by the user, but it happens that we need to do some thinking before we come up with a solution.

If you face a problem – please browse through these pages and the tabs below before contacting us. Pay particular notice to the Installation tabs.
Even if you do not solve the issue yourself here, we feel confident you will get a better understanding of what is causing the problem.

When contacting us – please feel free to use Facebook, email or phone even if it in most  cases for us makes it a bit easier to get a written problem description.
Facebook has proved itself to be very good for support and sales questions.  We do normally respond back within 24 hours.

Loss of audio in right ear
Occasional loss of sound in right ear is most likely caused by the fact that the Avee microphone add-on is detecting audio (or noise) from the aircraft right channel, and then switches to stereo mode.
In case your aircraft is not equipped with a stereo audio system, you will loose the audio in the right ear.
To verify that this really is the problem, unplug the Avee from the aircraft for a few seconds (unplugging the thin 5.2mm connector is enough), and plug abck again.
If you now get audio in both ears, the mono / stereo setting is the problem.

This behavior is easily fixed by forcing the Avee microphone add-on to always be in mono mode.
Follow the description found in the Avee microphone add-on User Guide and the chapter ‘Changing mono & stereo mode’.
The User Guide can be downloaded from here:

Please note: this setting will only work for units shipped after November 21th 2019. If you have a system purchased before this date, please contact us.


Loss of audio – basics

The most common issues we see, are permanent or sporadic loss of audio in to the headset. Meaning you can not hear yourself talking – and you can not hear ATC.
Even if these issues are serious, they are easy to detect – and easy to fix.
The golden rule here is that if you can not hear yourself talking – something is wrong.
Permanent or sporadic loss of audio in the headset is in 99.99% of the cases caused by a bad connection between the Avee microphone add-on and the headset.
The audio from your radio and intercom is fed to the headset via the avee add-on, and the headsets receives the audio from the avee add-on via the 2.5/3.5mm connector.
The avee concept is based on a perfect connection between the headset and the Avee microphone add-on.
If this is not the case, it can lead to speaker audio drop outs and potential loss of ATC and intercom communication in left ear, right ear or even both ears.It is therefore extremely important to follow the descriptions given when installing the Avee microphone add-on and the adhesive magnet to the headset.

We have made a video showing how the installation is done on the Avee microphone add-on and you can find that here: Avee Setup Instructions.

QC25 installation

Even if the 2.5mm audio connection on the QC25seems more sturdy than on the QC35 (based on the fact that it has a cavity for the connector housing), the QC25 audio connection is much more sensitive for a perfect fit than the QC35.
The difference between a good connection and a bad connection is only 1mm.
The QC25 audio connector does not have a well defined connection point and the clamp force on the 2.5mm audio connector is also fairly low.
This means that the avee adhesive magnets must be used and they must be installed correctly.

For the QC25 it is therefore extremely important to follow the description shown in the setup video: Avee Setup Instructions.

The picture to the right shows a correctly installed magnet adhesive.
If the magnet adhesive is NOT installed incorrectly, the avee add-on might come disconnected from the QC25 and that will lead to loss of audio in one or both headphone speakers.
Installing the magnet adhesive incorrectly might even prevent a good connection between the avee and the QC25, so please pay attention to the installation procedure.

When the magnet adhesive is correctly installed, the avee add-on is attached to the QC25 with a good audio connections – and this gives a very realiable solution.

QC35 installation

The connection between the Avee and the QC35 is very well defined and we have very few reported problems.
When plugging in the avee add-on into the QC35, you will get a well defined ‘click’ and the add-on is kept securely in place by the magnets.

Note: The clamp force on the 2.5mm audio connector alone is not enough to hold the Avee securely in place.
The magnets MUST be installed – and they must be installed correctly!

Sony WH-1000MX3 installation

The Sony WH-1000MX3 is using a 3.5mm connector for the audio input, and this gives a mechanically stable interface between the avee and the headset itself.
In addition – the Sony audio connector has a very well defined connection point with a strong clamp force.
In combination with the Avee adhesive magnets, the Sony is an extremely good platform for the Avee microphone add-on.
The Avee microphone add-on for the Sony WH-1000MX3 is currently in pre-tests and will be released late October 2018.

Problem descriptions
The following issues have been defined:

Issue #1: No audio in (permanent).
Cause: No audio caused by double set of magnets being installed.
Fix: Remove one adhesive magnet.
Note that the Avee is shipped with a spare adhesive magnet. Only one shall be installed.

Issue #2: Periodic no audio in.
Cause: Adhesive magnet not installed according to procedure. Bad connection between the Avee and the QC35.
Fast fix: Push the Avee back into the headset.
Permanent fix: Remove adhesive magnet and install again according to the procedure.

Issue #3: Periodic no audio in/out.Green startup led on Avee flashes randomly (when cable at Avee side is moved) 
Cause: USB 3.1C connector not pushed into the Avee..
Fix: Push the USB 3.1C connector firmly into the Avee add-on.

Issue #4: Periodic no audio in/out. Green startup led on Avee flashes randomly (when cable at Avee side is moved)
Cause: Defective cable (USB 3.1C connector on cable).
Fix: Exchange cable.

Avee is a technology company specializing on microphone and Bluetooth connectivity add-ons for standard noise reduction headsets.
Our main market is the aviation industry.

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