To send audio to the Blast Desktop Broadcasting App from Rekordbox
- On the top menu of Rekordbox go to [Preferences] > [Audio] > [Audio]
- Click the [Driver] button. The folder which includes audio driver installers will open.
- Double click the one for Blast Radio to install it.
Following the install, when you go to [Settings] in your Desktop App you should see Rekordbox as an available Input option.