Roll over or click image to zoom in

HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box

In stock
HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box Overview: HD-A4, it is an LED control system for remote control and offline HD video playback for small-pitch LED advertising...

HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box Overview:

HD-A4, it is an LED control system for remote control and offline HD video playback for small-pitch LED advertising screens. Including asynchronous sending box HD-A4, receiving card R50X and control software HDPlayer three parts.

HD-A4 can come to some functions such as video playback, program storage, and parameter setting. It is sending part.

R50X is receiving card for grayscale technology, which realizes the scanning display of LED screen.

The user completes the parameter setting and program editing and transmission of the display through HD Player

HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box Features:

Support Asynchronous & Synchronous.

Control Range: 1280*512.

Support expending memory by U-disk.

HDMI high-definition video input & output.

Support HD video decoding, 60Hz frame rate output.

Support HDMI HD video zoom, no need video processor.

Support widest 3840 pixel, highest 2048 pixel.

No need set IP address, it could be identified by controller ID automatically.

Unified management of more LED display through Internet or LAN.

Equipped with Wi-Fi, Mobile APP management.

Equipped 3.5mm standard audio interface output.

HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box Parameter:

Module Type Compatible with indoor and outdoor full color and single
color module
Support conventional chip and mainstream PWM chip
Scan Mode  Static to 1/64 scan mode
Control Range  Resolution: 1280*512, Widest 3840 pixel, highest 2048
Gray Scale  256-65536 (adjustable)
Video, Pictures, Gif, Text, Office, Clocks, Timing, etc.
Remote, Temperature, Humidity, Brightness, PM Value,
Support Synchronized picture auto-zooming, Playing Live
Screen Without Video Processor
Video Format HD video hard decoding, 60Hz frame rate output.
Image Format  Support BMP, GIF, JPG, JPEG, PNG, PBM, PGM, PPM,
XPM, XBM, etc.
Text  Text editing, Image, Word, Txt, Rtf, Html, etc.
Document  DOC, DOCX, XLSX, XLS, PPT, PPTX, etc.
Office2007 Document format
Time  Classic Analog Clock, digital clock and various of clock with
image background
Audio output  Double track stereo audio output
Memory  8GB Flash Memory, Expanding memory by U-disk
Communication  100M/1000M RJ45 Ethernet, Wi-Fi, 3G/4G, LAN, USB
Working Temp  -40-80
Port IN 12V Power Adapter*1, 1Gbps RJ45*1, USB 2.0*1, Test
Button*1, GPS, 3G/4G(Optional), Sensor port*1, HDMI*1
 1Gbps RJ45*1 AUDIO*1 HDMI*1

Download Specification

HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box Specification 

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)..

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item..


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations..

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound..

1)Strong technical background. belongs to EagerLED, a professional LED screen manufacturer in Shenzhen China. EagerLED’s engineers are well experienced in all kinds of LED controller card configuration and operation and producing and using LED screens.

2)No MOQ request on all our products. You can buy even one sample to test our products before placing bulk orders.Many other suppliers have strict MOQ request,which is not convenient for buyers.

3)Quick and safe payment. You can pay by credit card through Paypal, which offers complete buyer protection and avoids having to share any of your financial information.

4))Good quality control. Our technicians inspect all the products earnestly before packaging.

5)Long warranty period. All LED controller products you buy from are under two years warranty. You can send the defective products back to us for repair during the warranty period, and we will repair them and send back to you. The shipping cost is afforded by sender.

6) Good support from our English-speaking engineers. Before and after sales, you can get full support from our engineers, who are proficient in English.
Have question? Contact Us Now!
HUIDU HD-A4 Full Color LED Screen Dual-model Controller Box
You have successfully subscribed!