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Why Choose Kystar’s Three-in-One LED Control Cards?

Highly Integrated Design

Kystar’s three-in-one LED control cards integrate the power supply, receiver card, and HUB board into a single compact unit, reducing internal wiring and streamlining cabinet assembly.

Extensive Compatibility

Our KST series integrated LED control cards support PWM, dual-latch, and universal driver chips, ensuring compatibility with various LED modules and stable signal output inside the cabinet.

Superior Visual Performance

Driven by advanced color restoration, flexible frequency adjustment, and our proprietary low-brightness high-gray technology, each three-in-one LED display controller board delivers exceptionally accurate colors, smooth gradients, and rich grayscale details.

Flawless Display Quality

To ensure a picture-perfect canvas, our integrated LED control boards feature pixel-level calibration (point-by-point correction). They also support fast seam repair technology to effectively eliminate distracting bright and dark lines across the video wall.

Which LED Control Card is Right for You

Feature FocusKST462KST332/331KST300
Integrated ArchitecturePower supply + receiver + HUB Three-In-One Card
Configuration NotesSingle model
  • KST332: Dual-card dual-power model
  • KST331: Single-card single-power model
Single model
Single-Card Max Loading Capacity512 × 512 pixels512 × 320 pixels512 × 320 pixels
Data Output Type72 serial data group output16 parallel data group output72 serial data group output
Rated Output4.2V / 40A4.5V / 30A4.6V / 25A
Output Power168W max135W max138W max
Shared Display Functions
  • Color restoration
  • Frequency multiplication
  • Low brightness & high gray
  • Point-by-point correction

Kystar Three-In-One LED Control Card FAQ

1. What is a three-in-one LED control card?

A three-in-one LED control card integrates the power supply, receiver, and HUB interface into a single device. Instead of installing a separate power supply, receiver card, and HUB board inside the cabinet, installers can use one KST integrated LED control card to simplify the cabinet structure and wiring.

2. What protection functions are included?

The KST series supports protection mechanisms for power supply undervoltage, overvoltage, overcurrent, overtemperature, short circuit, and other abnormal conditions, protecting both the integrated card and the LED cabinet system.

3. Do highly integrated three-in-one LED control cards overheat easily, and what about their lifespan?

Although the KST series integrates the power supply, receiver, and HUB into a single unit, it is specifically engineered to prevent overheating and ensure a long lifespan. The boards maintain stable, safe operation through comprehensive built-in safeguards against overtemperature, overcurrent, overvoltage, undervoltage, and short circuits. Furthermore, the entire series meets strict EMC Class A standards for industrial-grade reliability.