We are proud to offer Theater Solutions 2 channel speaker selector box with volume controls and 2 source capabilities. Used in conjunction with your current home theater amp/receiver and/or an additional source unit, this brand new selector box allows you to add up to 2 pairs of speakers. The easy push button design lets you activate each pair individually to customize the listening experience in your home and independently control the volume to each pair. The a and B option allows you to connect two sources and switch between those sources with ease. Installation could not be easier!! Simply connect the left and right outputs from your amp/receiver and/or another source component to the left and right A and B inputs on the selector box, connect up to 2 pairs/4 speakers and you are ready to enjoy. This selector box also features soft rubber feet and Black steel housing. Great sound when used in conjunction with Theater Solutions in wall and in ceiling speakers.