The Digital Audio Input Module provides the Digital Audio System with access to streaming digital music and services. Content is accessible from any zone within the system, or from all zones simultaneously. The AU7001 includes built-in access to Internet Radio and streaming services* (Spotify, iHeartRadio, Pandora, Napster, SiriusXM, and TuneIn), as well as networked library content. A Digital Audio System can accommodate up to four Digital Audio Input Modules. Check out the Digital Audio mobile app.