This Toslink S/PDIF 4x1 Switch allows you to connect up to four Toslink digital optical S/PDIF audio source devices to a single output device, such as a television or amplifier. It supports 2 channel high definition audio sources, including LPCM, DTS, and Dolby Digital. It has a 96kHz sampling rate, supports signal re timing, and can transmit audio to distances up to 131 feet (40 meters) using an optical cable with a loss of less than 0.2dB/m. It includes an IR remote control.