This is a prosumer grade advanced HDMI video and audio product for advanced HDMI receiver home theater application. Please make sure to read the user manual before installation this is very critical for its correct usage. This VHD-U4X1AS Prosumer 4x1 Switch with Audio Extraction is the best multi-functional, versatile and powerful HDMI switch designed for the most demanding HDMI native audio and video enjoyment. VHD-U4X1AS is the latest high-performance 4K switch that can also be used as an HDMI v1.4 4x2 switch and splitter both outputs will have same video and audio signals identical to the selected HDMI input signal up to 4K@30Hz. Output B is HDMI v1.4 [support video formats up to 4K@30Hz with HDCP 1.4] and output A is HDMI v2.0 [support video formats up to 4K@60Hz with HDCP 2.2]. If the input signal is HDMI v2.0 the output A is still identical to the input signal output B will only contain HDMI audio signal and video will be a 720P blue-screen. The design of the output B is to support HDMI v1.3/v1.4/v2.0 audio receivers when input signal is HDMI v2.0 so that there is no need to upgrade to HDMI v2.0 receiver when using the newest HDMI v2.0 display. Just connect output A to the HDMI v2.0 display and connect output B to the HDMI v1.3, v1.4 or the newest HDMI v2.0 receiver for audio application. The HDMI output A driver has seven built-in timing settings to address various compatibility issues in different use conditions please check the user manual for details if experiencing video issues on output A. Lifetime free technical support email address is listed in the user manual. Package Includes: 1: VHD-U4X1AS main unit 2: 100V-240V AC to DC5V power adapter 3: IR remote control 4: User manual. This item comes with a one-year manufacturer warranty with a free extension to 2-year, for details please check the user manual.
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