Audio Return Channel: Audio DIP switch control on receiver: ARC & S/PDIF allows ARC function or Audio pass through accordingly. Fully supports audio formats in HDMI ARC & S/PDIF specification, DD/DTS 5.1CH and PCM 2.0 via ARC or S/PDIF. HDBaseT 2.0 & HDMI 2.0: Signals without degradation. HDMI Extender Supports 4K@60Hz 4:4:4 8-bit and 4K@60Hz 4:2:2 10/12-bit and 4K@60Hz 4:2:0 10/12-bit up to 40m(130ft) or 1080p up tp 70m(230ft) over Cat5e/6/7 cable. HDCP2.2 compliant and with 18Gbps bandwidth can supports HDR10. Advanced PoE/CEC/IR & RS-232 extension: Bi-directional POWER OVER ETHERNET (PoE) - Allows one power adapter to power both the transmitter and receiver. Bi-directional IR Extends IR signal from receiver to transmitter or from transmitter to receiver. CEC (Consumer Electronics Control) and RS232 pass-through. Great Compatibility: 4K HDMI Extender works perfectly with Xbox One X, PS4 Pro, Amazon Fire TV 4K, Cisco cable box, Comcast, Vizio TV, SkyQ etc.