Introduction:This HDMI 4x1 Quad Multi-viewer is a high performance with four HD screen segmentation and seamless switching output switch.It can display 4 HD digital video signal on the same screen, and has a variety of video segmentation, seamless switching 4 HD input signal synchronously.The control methods of the switch is flexible, it can be switched via button and IR control.It's a very practical and stable switch and easy to install, can be used in the major projects, meeting halls and other places.Features:● Compliant with HDMI 1.3a,HDCP 1.2.● Supports up to 1080p High Definition resolution.● Supports 720/1080p output resolution.● Supports audio switch.● Supports fast switching.● Supports Equalizer TMDS Output: 25MHz 225MHz TMDS clock.● Supports Blue-Ray 24/50/60fps/HD-DVD/xvYCC.● Inputs can be switched with the IR remote controller, also can be controlled by built-in button.● Extend the transmission distance and improve transmission signal.● Compatible with DVI through a HDMI to DVI adapter.● Supports