AllStream

AllStream allows you to stream music from the most popular online music services or local storage to one or more zones. AllStream will wirelessly stream different music to different zones or the same music to all zones within the distance that your router can cover.
With the AllStream application, on the smart phones and Pads, you can manage your audio sources from online streaming services like music, stations and presets, group and upgroup any devices that AllStream supports, control the volume, change the music and more.
Streaming services: Spotify, Tidal, TuneIn, iHeartRadio, QQMusic, Napster and so on
Streaming protocols: DLNA, Airplay, Qplay, Spotify connect;
More features: Aux input, USB, Optical(depending on different hardwares)