There are two similar looking products: this VHD-TS3X1 (3x1 switch) and another VHD-TS1X3 (1x3 splitter); please make sure to pick the correct item you need. This VHD-TS3X1 is a audio switch, with three inputs, and one output to support up to 3 optical audio signal sources.This ViewHD SPDIF/TOSLINK Digital Optical Audio Switchers "VHD-TS3X1" enables user to conveniently select any one of the three digital optical TOSLINK sources. This is not a troublesome mechanical switcher. This VHD-TS3X1 unit utilizes integrated circuits to perform seamless and reliable switching flawlessly without degradation. Package Includes: 3X1 Optical Switch, Remote, IR Receiver, Universal 100V - 240V Power Adapter (US plug) with DC5V Output and User Manual. Please make sure to connect the IR receiver for remote operation. This ViewHD product comes with One Year Manufacture Warranty against manufacturing defect, please contact the seller for warranty and technical support.