The Calrad 40-TL4 Active Toslink Digital Audio splitter can provide two separate Toslink sources inputs 1 or 2 selectable by a two position signal input slide switch. The Optical Toslink input signal is then split into 4 separate Optical Toslink outputs for distribution to individual Optical Toslink hardware. The built-in lossless digital amplifier circuitry ensures loss-less signal integrity. Supports 2CH LPCM audio signals with sampling rates of 32khz -192khz. Supports Dolby Digital and DTS audio formats. Simple plug and play connectivity.