The MuxLab Digital Audio Extender Kit is a standard extender and converter for digital audio. It can be used for connecting one (1) Digital Coax (S/PDIF) or Digital Optical (TOSLINK) source to a Digital Audio Receiver with either Digital Coax (S/PDIF) or Digital Optical (TOSLINK) inputs. Its receiver unit has simultaneous output. In a point-to-point setup the audio transmission signal can be distributed up to a distance of 500 feet / 150 meters via a single Cat5e/6 cable.