【4 IN 2 OUT Matrix】This HDMI Matrix can connect up to 4 HD Source to 2 HDMI Display terminals with optical fiber or stereo headphone output,it allows four HDMI devices to be switched or split easily to two HDMI compatible monitors or projectors.Ideal solution for home theater, office, school, conference room, shopping mall, hotel or museum | 【High Resolution】Supports a multitude of video resolutions, including 4K x 2K, 1080P, Ultra HD, 3D, HD audio and etc. Supports 8/10/12 bit deep color. Support HDMI 1.4b and HDCP1.4,Support 3.4Gbps x3 data rate and tmds clock up to 340Mhz | 【Audio Split&EDID】Supports LPCM/Dobly/DTS 5.1 channel and smart EDID management. Any input HD source can do audio extract by the SPDIF or 3.5mm headphone audio output port separately or at the same time.Built-in IR sensor comes with a handy, intuitive remote control that makes switching inputs,it can do also switch by press button. Note: AAA battery needed，and pls confirm your audio format is correct | 【Premium Quality】This 4x2 HDMI Matrix contains in-built automatic equalization and amplification to ensure optimum transmission without loss in video/audio quality.It is embedded with ESD protection，and has been passed thousands of hours of tests under different and sophisticated applications which include security systems, outdoor advertising screens, broadcasting stations, and public theaters etc | 【What will you get?】1* 4K HDMI Matrix 4 in 2 out, 1*Remote Control, 1*Power adapter, 1*User manual.