4-Input 8-Zone Audio Switcher deliver whole-house audio from 1 or 4 sources such as CD, DVD, satellite or tuner to 8 locations. Two volume controls are available to use with this system providing 10 Watts of amplification per room. Simply press the selector button on the volume control to toggle through the attached devices. The built-in IR extender give you complete control of your source devices when you use the volume control with IR target and connect IR emitters to the distribution module. Connection between the module and volume control is simple using economical unshielded twisted pair cable. Connect speakers to the volume control using standard in-wall CL2 rated speaker wire.