KYStar U3 and U3 Pro LED video processors
The KYStar U3 and U3 Pro arrange three video windows for LED stage screens and spliced displays. Each window has independent size, position and layer order. The two models have different output configurations, so select the version against the required screen layout.
U3 and U3 Pro specifications
| Parameter | U3 | U3 Pro |
|---|---|---|
| Video outputs | 2 splicing outputs plus 1 preview/monitor output | 4 outputs |
| Custom output capacity | 2.6 million pixels per single port in copy mode | 5.2 million pixels stated in the feature list |
| Splicing description | Up to 2560 × 1536 at 60 Hz; 2 × 1 or 1 × 2 layouts | Horizontal, vertical and cross splicing |
| Maximum stated output width / height | Use the specified U3 mosaic-mode limits | 15,360 / 6,144 pixels; separate limits, not a combined canvas |
| Simultaneous windows | 3 | 3 |
| Listed inputs | 1 × DVI; 1 × HDMI; 2 × VGA; 2 × CVBS; 1 × SDI; 1 expansion slot | |
| Maximum stated input resolution | 4096 × 2160 through suitable HDMI 1.4 or Dual Link DVI configurations; maximum-resolution frame rate not stated | |
| Control | Ethernet or serial communication with KYStar management software | |
Source note: The U3 Pro feature list states 5.2 million pixels; a later paragraph contains the incomplete wording “5. meg-pixel.” Confirm the exact output configuration and timing before purchase. U3 copy-mode and mosaic-mode figures describe different modes and should not be treated as interchangeable.
Layout, monitoring and signal backup
Both models support text/image overlays, input brightness adjustment, transparency, edge feathering and luma key. Local monitoring and software preview help inspect input and output content. The specification also describes source/preset transitions and assigned backup inputs, with automatic return to the original source when it recovers.
Frequently asked questions
What is the main difference between U3 and U3 Pro?
The U3 has two splicing outputs plus a preview/monitor output. The U3 Pro has four outputs. Their stated custom-output capacities and splicing limits differ; use the model comparison above.
Can either model show three video windows?
Yes. Both models support three simultaneous windows with independent size, position and stacking order.
Does the U3 2.6-million-pixel figure apply to mosaic mode?
The PDF describes 2.6 million pixels for a single output in copy mode. It separately lists up to 2560 × 1536 at 60 Hz for U3 mosaic mode.
Is 4096 × 2160 input the same as the LED output load?
No. Input resolution and output capacity are separate specifications. The input option, timing and chosen output mode all need to match the screen design.
Can I preview inputs before switching the screen?
The specification supports local preview/monitoring and real-time input/output monitoring through KYStar management software.
More pictures Kystar U3/U3 Pro UHD LED Display Video Processor:



Download Specification:
Kystar U3 U3Pro Specification
Download Software:
Kystar U3 U3Pro Control Software (All Kystar Processor)
Kystar U3 U3Pro Control Software (Three-in-One)







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