This 4 In 2 Out Digital Optical TosLink Audio Matrix is a highly efficient switcher and splitter that allows you to connect up to four devices to two outputs. With a maximum baud rate of 16Mbps, it supports high-quality audio signals. The SPDIF/Toslink 4x2 Matrix is the perfect solution for those who want to connect multiple audio devices to their home theater system without having to constantly switch cables. The peak wavelength of 650nm ensures that you get clear and uninterrupted audio signals. This product is ideal for use in homes, offices, and other settings where high-quality audio is required.