SIIG 2x1 S/PDIF TOSLINK Digital Audio Switch (CE-TS0111-S1) Switches between 2 digital TOSLINK (stereo) audio inputs to 1 output, with a selector switch for easy input management POWER-TO-PERFORMANCE RATIO: built-in audio amplifier ensures signal integrity while consuming no more than 2 watts of energy EXCELLENT CONSTRUCTION: Solid metal housing for increased durability and better RF shielding USE FOR HOME THEATERS and numerous other applications HIGHLY VERSATILE: Accepts input from DVD players, cable boxes, or satellite receivers