Flexbox default I/O

Set the default I/O settings for when you start a session

January 7, 2026

NDI Audio Reference Level

This will set the level to which an incoming NDI level of 1.0 will be mapped. Match the setting used by your stream source or contact support. A user’s source tool will be set to use a particular mapping between how the audio data is stored and the way NDI expects it to be. By default each Flexbox is set to 0dBFS, our historic default and common among early NDI adopters. By clicking the drop down you can also choose from two new options: -14dBFS/EBU, a common setting used in Europe or -20dBFS/SMPTE, the dominant method used in the US.

If it is a PAYG Flexbox (Weekly/Monthly) instead of a subscription one (Starter or Pro) then the options to override will be much more limited.