Digital Audio Explorer Toslink Selector Switch--Connects up to three optical components to one unit. Unleash the full potential of your audio/video system with the new Digital Audio Explorer from Impact Acoustics. Connect up to three optical sources to the digital/optical input of your home theater system. The Toslink Selector features high-integrity toslink jacks for optimal transfer of light signals. This selector will also help with preventing the wear and tear on your toslink cables and I/O jacks that comes from manually connecting and reconnecting cables. And the unit's space-saving design allows you to place it almost anywhere.