Hi, Hope one of you might help me on this one. In my house there is an old MCL system and a Beomaster 5000 and 4 BeoVox CX100. The system can be controlled from the Beomaster 5000 or from the wallmounted control in the kitchen. Now I would like to upgrade the Beomaster 5000 to a Beosound 2300 or even better a Beosound 5. My question is if I can use