How to Watch Multiple Source on 2 Display - Upto 4 Different Inputs on 2 Displays - HDS-402MV 

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QUAD MULTI VIEWER: Supports 4 HDMI input sources to 2 HD TVs or 2 displays with real-time fast seamless switching up to 4K @ 30Hz . HDMI Switch 4 in 1 out Audio Out. Supports PIP View with the ability to set the PIP window to any corner of the screen.
Full compatible: This HDMI matrix switch is compatible with gaming consoles such as PlayStation, Xbox one, Nintendo, Roku, DVD, blue ray, players Amazon fire TV, cable TV, Chromecast and so many other HDMI devices
Video: 4K@24/25/30Hz, 1080p@50/60hz, 720p@50/60Hz, upto 480p. Audio supported: LPCM, AC3/DTS. Audio out through Optical or L/R.
5 display modes: 4 in 2 out HDMI switch - This HDMI switcher designed with 4 Input ports and 2 output port, you can choose the HDMI signal source by the IR remote control and front panel buttons or control through RS-232
1 Year Full Warranty with OREI Support. Includes: HDS-402MV Switch, Power supply, Remote control, Manual, Mounting Brackets,