The XT-CAT-ARC-KIT audio over CAT cable solution transmits digital audio signals up to distance of 300m (192kHz signals up to 100m). The XT-CAT-ARC-KIT audio over CAT cable solution transmits digital audio signals up to distance of 300m (192kHz signals up to 100m). This plug and play device will extend both optical and coaxial digital inputs concurrently and features a built in DAC to convert either of the digital inputs to an analog stereo left/right audio output.