【4K@60Hz 4 IN 2 OUT Matrix】HDMI 2.0 Matrix send any of 4 inputs to output 1 and/or output 2. Outputs’ videos can be different or the same. Support HDR10 & HLG(Hybrid Log Gamma) & Dolby Vision. Resolution up to 4K@60hz 4:4:4, Able to play 4K and 1080P Simultaneously, 18Gbps bandwidth. 【ARC & Audio Extraction 】 DIP switch control on output2: ARC & De-embed allows Audio Return Channel function or Audio extract accordingly(only support TV with ARC function). S/PDIF (Toslink) OUT: Support PCM 2.0/5.1, DTS up to 5.1 CH. 3.5mm L/R headphone analog audio de-embedded from output1.HDMI audio formats supports PCM 2.0/5.1/7.1, TrueHD, Atmos, DTSHD Master Audio and DTS:X. 【Downscaling】 Each output supports scaling from 4K to 1080P independently. Plug & Play. To get both of Atmos in sync, pls ensure TV and Receiver supports them both. 【IR Remote and Button Controls, RS-232】Short pressing the system code switch on the remote’s panel to avoid matrix's remote interfering other IR devices. Advanced user may need to control the matrix through RS232 serial communication. We provide a fully documented API for 4KMX42-H2A. 【Trouble-free Warranty】Work well with HDMI 2.0 HDCP 2.2 devices, Xfinity box, Video Capture, Amazon Fire TV, Comcast etc. Preventing thunder strikes, built-in surge protection and superior ESD protection. Sturdy metal enclosure minimizes noise interference. Mounting Brackets (with Screws) for additional installation. AV Access HDMI Matrix Switch 4x2 4K@60Hz 4:4:4 HDR ARC/SPDIF 5.1CH, 3.5mm Stereo Audio, Scaler 4K 1080P Synch, HDCP 2.2 18Gbps, API RS232 Matrix Splitter 4 in 2 Out with IR Remote Control