The Lindy 2 Port Automatic Optical Audio Switch allows users to connect two digital optical Toslink sources to a single optical TosLink (SPDIF) input on an AV amplifier, Hi-Fi or home cinema system. The optical switch will automatically detect the live signal and switch to this channel. Ideal for use with games consoles, HD players, set top boxes, PCs etc. and saves on wear and tear of constant plugging and unplugging of cables.