This is a system that few know, but it really is a superior system. With this system, you can create a wireless configuration in another space wirelessly by expanding your existing set. Advantage: It has a B&O MasterLink CD player in the living room, you want to connect a set of speakers in the kitchen / studio room or bedroom, but you don't want to run wires. Then you will connect 1 transmitter to CD player and 1 receiver in kitchen / studio room or bedroom, connect active speakers here from B&O Beolab speakers, or connect speakers like Beolab 2000 or 3500 and then you can enjoy your music live in a room. 1x transmitter 1 1x receiver 1 1x wire MasterLink 2x power cords