LINK-MI TV04 2x2 Video Wall Controller USB+HDMI+VGA+AV TV HDMI with Fully-Digital Processing Channel Inside 180 Degree Rotate Quad-screen processing: Supports 4-way HDMI output signal, connected to 4 LCD TV or other display devices such as projectors, DLP, plasma and other display unit. Input signal: Supports 1 composite video, 1 VGA, 1 HDMI, 1 USB four signal inputs totally, HDMI and USB signal interface with audio decoding, composite video and VGA signal plus the corresponding audio binding interface, all the input video signal can achieve synchronized output switching with audio. Mirroring: Compared with ordinary video wall controller, LINK-MI TV04 contain 180-degree image flip function for each screenYou need to buy LM-TN701 for 90or 270rotation. Attention: 1x2 1x3 1x4 Screen,It must be Vertical Screen. Various control port---RS232: Remote controller;HDCP compliant---HDMI 1.3, HDCP protection. Fully-digital processing channel inside: Built-in conversion for analog/digital, interlaced/progressive, resolution, aspect ratio and refresh rate. <span class="a-text-bold">Quad-screen processing:</span> Supports 4-way HDMI output signal, connected to 4 LCD TV or other display devices such as projectors, DLP, plasma and other display unit. <span class="a-text-bold">Input signal: </span>Supports 1 composite video, 1 VGA, 1 HDMI, 1 USB four signal inputs totally, HDMI and USB signal interface with audio decoding, composite video and VGA signal plus the corresponding audio binding interface, all the input video signal can achieve synchronized output switching with audio. <span class="a-text-bold">Mirroring: </span>Compared with ordinary video wall controller, LINK-MI TV04 contain 180-degree image flip function for each screenYou need to buy LM-TN701 for 90or 270rotation. Attention: 1x2 1x3 1x4 Screen,It must be Vertical Screen. <span class="a-text-bold">Various control port---RS232:</span> Remote controller;HDCP compliant---HDMI 1.3, HDCP protection. <span class="a-text-bold">Fully-digital processing channel inside:</span> Built-in conversion for analog/digital, interlaced/progressive, resolution, aspect ratio and refresh rate. LINK-MI&#039;s LM-TV04 2x2 Video Wall Controller is designed to be a truly in/out modular video wall processor, to capture, AD convert, route, distribute all-format signal to multiple video wall, including LCD TV,DID, DLP, Plasma, etc., while maintaining a true digital signal. The 2x2 Video Wall Controller ontroller with many different video interfaces,include HDMI,VGA,AV,and it is can decode video(like RMVB),audio(like MP3),Photo(like JPG) by itself through USB interface.each video with audio can be switched together.output HDMI interface,resolution is 1080P or 720P or 1024*768, chose by user. The 2x2 Video Wall Controller can be controlled by remote,button and RS232.