We are aware that a small number of users have experienced distortion or crackling issues with their NuraTrue Pro.
Our engineering team have identified the cause of the issue and have resolved this with a firmware update which is now available via the Nura app. The firmware version which includes this fix is version 400188.
To download the latest firmware version for NuraTrue Pro, ensure that your Nura app is up to date, and then open the Nura app with your NuraTrue Pro connected.
You will automatically be prompted to update to the latest firmware upon connection.