AirPlay Multiple Support

Hi, I'm using a MacBook Pro with iTunes 12.1.0.50 to stream music to my AppleTV Generation 3 where a HiFi system is connected and my AirPlay supported Zeppelin Air in parallel. It working fine and absolutely properly. 😁 But I cannot find any setup possibility to start a stream from my AppleTV to the local connected audio port (HiFi system) and my Zeppelin in parallel if I want to watch a video.

Is that not supported or do I have something to change?

Your feedback is highly appreciated 🙂