Channel Vision’s A-BUS 4 Source 4 Zone Audio Matrix Kit AB-904 Kit is an excellent whole-house music solution. It allows up to four different sources to be played in four different zones simultaneously, making it perfect for families with a variety of listening interests. Controlling your music is easy with the P-1044′s source specific IR repeating which allows independent control of identical source components. The A0505 remote allows you to easily adjust the volume level on the AB-134 without leaving the comfort of your favorite chair.