Pyle Home PVCS5 In-Wall A/B Speaker/Source Switch Mounts into any standard Low Voltage gang outlet box - Can handle up to 150 watts of power Switch between two separate sources - Screw type terminals accept up to 14 gauge wires Attractive standard and Decora-style wall plate included Output to two sets of stereo speakers (one or both) Can be used in conjunction with either standard or impedance matching volume controls