You may need to adjust file and directory permissions so that the storage directory has read access from the desktop user account. (This location can also be configured after installation by clicking Options, Preferences, then Library in the main Mixxx menu). If you make the Airtime server's storage directory /srv/airtime/stor/ accessible to a desktop machine as a read-only location, Mixxx will accept that location as its default music library when starting up for the first time. Select devices other than the ALSA default of hw:0,0 for at least the Master and Headphones outputs.

The solution is to configure Mixxx to use additional sound cards by clicking Options, Preferences, then Sound Hardware in the main Mixxx menu. Otherwise, you may see an error message that Mixxx cannot access the sound device. If you wish to use Airtime and Mixxx on the same machine, you will need two or more sound cards, as each program requires exclusive access to the sound hardware.

A control surface might replace or augment an analogue mixer in your studio, depending on your live mixing and playout requirements. Mixxx supports a wide variety of popular hardware control surfaces, which can be connected to your computer using a USB cable.

Although Mixxx has many features designed for dance music DJs that require beat matching and pitch independent time stretching, the program can be used for any kind of manually triggered broadcast playout, including live speech shows such as news or current affairs. Installed on a desktop or laptop computer, Mixxx complements your Airtime server to provide a complete system for both live and scheduled broadcasting. Mixxx is a cross-platform Open Source application for DJs, available from

Mixxx send music to stream only