Huidu HD-C16H asynchronous LED controller
The Huidu HD-C16H combines playback, sending and receiving functions on one board. It has 16 HUB75E connections for direct module control and a Gigabit Ethernet output for a compatible HD receiving-card setup. Choose the layout before sizing the screen: direct loading and cascaded loading have different limits.
HD-C16H specifications and connection options
| Direct module loading | Up to 260,000 pixels; actual loading depends on the interface count and module resolution. The supplied specification lists a maximum direct width of 2,048 pixels. |
|---|---|
| Cascaded receiving-card loading | Up to 650,000 pixels with compatible HD receiving cards. Extra-wide or tall layouts require a separate check of the permitted dimensions and loading reductions. |
| LED output interfaces | 16 × HUB75E; 1 × Gigabit Ethernet output |
| Communication | 100 Mbps Ethernet, USB and built-in Wi-Fi; optional 4G |
| Video decoding alternatives | 1 × 4K, or 3 × 1080p, or 8 × 720p, or 16 × 360p |
| HDMI input option | Requires an optional adapter board; up to 1920 × 1080 at 60 Hz |
| Audio and sensors | 3.5 mm TRS and 3-pin audio outputs; two general-purpose sensor inputs and one dedicated temperature-sensor input |
Direct loading or receiving-card expansion?
For a direct-connected design, check how the module rows use the onboard HUB75E interfaces. For expansion, confirm the receiving-card model and the cabinet mapping as part of the same design. The 650,000-pixel figure applies to a cascaded configuration; it is not the direct-loading capacity of the board alone.
Video decoding resolution is also different from LED screen loading capacity. A 4K playback specification does not mean the controller can drive a 4K LED canvas. Ask for confirmation of the final screen width, height and module layout before ordering.
Software and content management
Use HDPlayer on a PC for screen setup, program editing and distribution, or LedArt for mobile control. XiaoHui Cloud supports remote display management over an Internet connection. The controller supports video, images, GIF, text, clocks and timers; select media settings within the decoding limits in the specification.
What to confirm with your order
- Module model, pixel dimensions, scan mode and required HUB connection.
- Direct loading or receiving-card expansion, plus the complete screen resolution.
- Whether the optional HDMI adapter or 4G hardware is required.
- The supplied storage version, firmware and configuration requirements.
- Quantity, delivery destination and any sensors or accessories needed.
Contact EagerLED to check your HD-C16H configuration. You can also compare LED receiving cards and LED display modules for the project. Similar connectors alone do not confirm compatibility.
HD-C16H product details and specification


Download the Huidu HD-C16H specification. Check the supplied hardware and document revision when confirming your order.
Huidu HD-C16H FAQ
What is the loading capacity of the Huidu HD-C16H?
Direct module control supports up to 260,000 pixels, depending on the interface count and module resolution. With compatible HD receiving cards, the cascaded configuration supports up to 650,000 pixels. Width, height and loading restrictions must be checked together.
Can I control the HD-C16H from a phone?
Yes. The controller has built-in Wi-Fi and supports the LedArt mobile app for wireless program distribution and display control. The specification lists Android, iOS and Harmony platforms.
Does the HD-C16H include an HDMI input?
HDMI input requires the optional HDMI adapter board. The specified input limit is 1920 × 1080 at 60 Hz. Confirm that the adapter is included when ordering for an HDMI source.
Which software works with the HD-C16H?
The specification lists HDPlayer for local PC setup and program management, LedArt for mobile control, and XiaoHui Cloud for remote display management. Internet connectivity is required for cloud operation; 4G hardware is optional.
Does 4K decoding mean it can drive a 4K LED screen?
No. Video decoding and LED pixel loading are separate limits. The documented playback alternatives are one 4K stream, three 1080p streams, eight 720p streams or sixteen 360p streams; the LED screen must remain within the applicable direct or cascaded loading limits.


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