HD-B8L Multimedia Control for LED Posters
The Huidu HD-B8L is a multimedia control card for mobile LED posters, mirror screens and spliced displays. Standard HDMI input and output support synchronous signal playback and HDMI splicing. Built-in Wi-Fi provides wireless control through the LedArt app.
Technical Specifications and Functions
| Parameter | Specification |
|---|---|
| Single-card loading | 1.3 megapixels |
| HDMI | Input and output included as standard; splicing display and synchronous playback |
| Media decoding | 4K HD decoding |
| Screen arrangement | Rotation and splicing at arbitrary angles; HDMI adaptive scaling |
| Wireless control | Built-in Wi-Fi and LedArt mobile app |
| USB | Program updates and playback |
| Remote management | Internet-based cluster management and power control |
| Sensor support | External environmental monitoring sensors |
Content and System Planning
Supported content includes videos, images, GIF animations, text, WPS documents, tables, clocks and timers. USB provides an on-site method of updating or playing programs, while network management supports multiple screens remotely.
Plan the poster pixel count and HDMI splicing arrangement before installation. The listed 4K decoding capability describes media processing; the single-card LED loading figure remains 1.3 megapixels. Use the linked specification to confirm the required hardware configuration and connections.
Product Images and Specification


Download Specification:
Huidu HD-B8L LED Display Screen Control Card Specification
Frequently Asked Questions
What is the HD-B8L used for?
It is a multimedia control card for LED poster screens, including mobile posters, mirror screens and spliced display installations.
Does the B8L include HDMI input and output?
Yes. Both are standard, with support for synchronous HDMI playback and HDMI splicing display.
Can I control an LED poster from a phone?
Yes. The B8L includes Wi-Fi and supports wireless control through the LedArt mobile app.
Can I update programs using USB?
Yes. The USB interface supports program updates and playback.
Does 4K decoding mean a 4K LED output?
No. 4K refers to media decoding. The documented maximum single-card control range is 1.3 megapixels.



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