● Support HDR Color Reduction and Enhancement 
● Support DP1.2 / HDMI2.0 4K@60Hz Input 
● Support HDMI2.0 4K@60Hz Output 
● Support Any 4k Preview Input 
● Support Any 4K PIP Input Channel 
● Support Cascade Split 
● Support Embedded Audio Decoder, Video and Audio Synchronization 
● Support 420 | 422 | 444 Video Format 
● Support Open Control Protocol
HDR10 Color Reduction and Enhancement
HDR (High Dynamic Range) provides more dynamic range and image detail than normal images, depending on the SDR (Standard Dynamic Range) image for different exposure times. 
The HDR image is synthesized with the SDR image, corresponding to the best detail for each exposure time, which can better reflect the visual effect in the real environment. 
Under the action of HDR10, VF4 video processor shows more vivid. It can be alternated between cool and warm colors. HDR 10 offers viewers increased contrast and luminance ranges, a broader and richer color palette and an immersive viewing experience.
4K@60Hz Input
Support HDR 4K@30Hz, 4K@60Hz input. HDMI 1.4 (Dual Link DVI) / HDMI 2.0 / DP 1.2 Inputs compatible.
One Unit support 4K Output
2 x HDMI 2.0 output with independent decoder chip; Sending card cascade for high resolution LED display or system backup.
Support 4K60hz output, multi-cascade support 8K, 12K, 16K display. The backup output ensure the live show safety and also save your cost.
Multi-layer Display
Support multi-layer 4k signal display, different layout switch.
VF4 - 4K@60Hz Video Processor with HDR 
4K HDR is an Advanced Image Processing Technology Than 4K. With HDR Movies and VF4 Video Processor’s Processing, theVideo will be More Brilliant. 
Key Features 
● Cooperate with Mctrl 4K and A8S/A10S Control System to Realize HDR 10-Bits Display 
● Realize HDR in Standard Display(HLG) with Ordinary Control System 
● Realize 4K@60Hz Scale, Switch, PIP Function on HDR Display
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SPROLINK is a company specializing in the field of video processing, including live broadcast equipment, video processing peripheral equipment.

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