The Colorlight K9+ is a receiving card for fine-pitch LED displays in rental and fixed installations. It supports up to 32 parallel or 64 serial data groups. Its compact format and high-density connectors suit cabinet integration where space is limited.
Image adjustment for fine-pitch LED screens
K9+ supports HDR10 and HLG, full gamma adjustment, Infi-bit color extension and grayscale refinement. Low-grayscale, double-layer and per-pixel brightness and chroma calibration provide tools for tuning screen uniformity. Color temperature and low-brightness grayscale can also be adjusted.
Cabinet maintenance and backup
Seam correction, cabinet highlighting, OSD and screen rotation assist setup and maintenance. Support for up to 16 intelligent modules enables monitoring with compatible module hardware. Loop redundancy, dual receiving-card hot backup, PSU redundancy and firmware redundancy require an appropriately configured cabinet system.
K9+ technical specifications
Specifications below follow the linked K9+ V3.1.1 document. Confirm module wiring, driver compatibility, frame rate and required load before replacing a card; high-frame-rate operation affects loading capacity.
| Parameter | Specification |
|---|---|
| Model | Colorlight K9+ receiving card |
| Data groups | Up to 32 parallel or 64 serial data groups |
| Video source input | 8-bit / 10-bit; maximum 10-bit input and output in V3.1.1 |
| HDR formats | HDR10 and HLG |
| High frame rates | 120 / 144 / 240 Hz; high-frame-rate operation affects load capacity |
| Calibration | Per-pixel brightness and chroma, low-grayscale and double-layer calibration |
| Intelligent modules | Up to 16 |
| Monitoring | Cabinet temperature, humidity, voltage and power; Ethernet cable status |
| Redundancy | Loop, dual receiving-card hot backup, PSU and firmware redundancy |

Frequently Asked Questions
What is the Colorlight K9+ receiving card used for?
The K9+ is designed for fine-pitch LED displays, including fixed installations and rental cabinets. Its compact format and high-density connectors suit cabinet integration.
How many data groups does K9+ support?
K9+ supports up to 32 groups of parallel data or 64 groups of serial data. Confirm the module wiring and driver configuration before choosing the receiving-card layout.
Does K9+ support HDR10 and HLG?
K9+ supports HDR10 and HLG, along with gamma adjustment, grayscale refinement and color-temperature adjustment. The complete signal chain and display configuration must support the required mode.
Which backup features are available on K9+?
The listed features include loop redundancy, dual receiving-card hot backup, PSU redundancy and firmware redundancy. Required backup hardware and cabling must be planned as part of the cabinet system.
Can K9+ monitor intelligent LED modules?
K9+ supports up to 16 intelligent modules. Check the module hardware and connection requirements when planning cabinet monitoring.
Download the K9+ specification
Download Specification:
Colorlight K9+ LED Display Screen Receiving Card Specification





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