Docs on site HERE
You just need an amp (e.g. Beolink passive) if you are using non active speakers.
If you add Beolabs, just use the powerlink sockets on the BS AV9000.
Ralf
My Beo: Beosound 3000, Beolab 4000, Beo 4 DVD, Beolab 5000/Beomaster 5000, Beovox S45.2 with Stands, Beosystem 7000 black with Beolink 7000, Beolink 1000, F1000 (3 cubes), Beovox 5000, Beovox 3000, Attyca 1.