Extends digital S/PDIF or HDMI ARC audio signals up to 150m/490ft via a single Cat5e or Cat6 cable Supports PCM, DTS and Dolby Digital audio formats High performance, zero signal loss Supports CEC pass-through between HDMI ARC Input port and ARC Output port Dual digital audio inputs: 1x S/PDIF and 1x HDMI ARC Dual digital audio outputs: 1x S/PDIF and 1x HDMI ARC can output each signal separately Selectable ARC and S/PDIF modes through toggle switches on both Tx and Rx