4 IN 2 OUT matrix 4x2 HDMI matrix can connect four HDMI signal sources to two monitor screens. It can easily switch and distribute the signal sources. It can also use SPDIF optical fiber or 3.5mm stereo headphone output Extract HDMI input audio signal. With infrared remote control and two optical fiber audio cables, it is suitable for various entertainment and work occasions. 4K@60Hz Ultra HD Resolution Excellent video quality, resolution up to 4K@60HZ, RGB4:4:4, 3D, backward compatible with multiple resolutions, support 18.5Gbps data rate, and tmds clock Up to 600Mhz. Support dark 8/10/12/24bit. 4K@60Hz gives you an ultra-high-definition picture quality experience, the image display is more delicate and lifelike, and the colors are brighter and moving. HDMI Audio Extraction and EDID Support LPCM / Dobly / DTS 5.1 channels and intelligent EDID management. With two 3.5mm L/R ports and two optical Toslink audio outputs, it supports HDMI audio output, while 3.5mm headphone jac