HD-R732
Receiving card · R7 Series
- Capacity262.1 K px
- Area256×1024
- Data groups32
Technical support · We help with set-up and use
Official product image — source: Huidu.
Official interface picture — source: Huidu. Open the picture at full size
Huidu · Multimedia player
HD-A3L
Fully verified
A-L Series Manufacturer class: Full-color LED controller
LED display multimedia player that plays videos, pictures, GIF animations, texts, WPS documents, tables and clocks. It has 1 Gigabit output network port for HD-R series receiving cards, Wi-Fi with the "LedArt" mobile phone APP, access to the "XiaoHui Cloud" platform and a sensor input; a 4G version is available.
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- Setup supportFor Colorlight, NovaStar and Huidu systems we do the setup by connecting remotely with AnyDesk; call us about mounting.
- Compatibility checkCompatibility with the other components is checked during configuration.
- Order trackingShipping and installation status is tracked on your order page.
Key specifications
View Technical Details- Capacity
- 655.4 K px
- Outputs
- 1 × RJ45
- Max. width
- 8,192 px
- Mode
- Asynchronous
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- Official product page
- Official specification / manual (V1.1) opens from the manufacturer's page
Best suited for
- Advertising and information displays managed through the cloud without a permanent PC.
- Displays with a total load of up to 655,360 px (1 Ethernet outputs).
Key features (manufacturer)
- Standard 1 Gigabit output network port, directly cascading HD-R series receiving cards
- Maximum control range of 655,360 pixels; maximum horizontal 8192 pixels, maximum vertical 3840 pixels
- Multi-channel video window playback: up to 1-channel 4K or 2-channel 1080P or 4-channel 720P or 6-channel 360P
- Standard Wi-Fi with mobile phone APP wireless control (STA mode supported)
- 4G (optional) access to the XiaoHui Cloud platform for Internet remote cluster management
- 1 channel USB2.0 and 1 channel USB3.0 for inserting programs and expanding capacity
- 1 channel sensor input interface for environmental monitoring sensors
- Android 11.0, 1GB random access memory and 16GB internal storage
Capacity and network topology
1
- Total capacity
- 655,360 px
- Max. width × height
- 8,192 × 3,840 px
- Operating mode
- Asynchronous
Technical specifications
- Asynchronous (stored) mode
- Wi-Fi
- LAN
- USB playback
- Cloud / remote management
Capacity and outputs
- Loading capacity
- 655,360 px
- Maximum width
- 8,192 px
- Maximum height
- 3,840 px
- Ethernet outputs
- 1
- Port speed
- 1 Gbps
Inputs and playback
- Max. decoding resolution
- 4K (4096×2304)
- Video codecs
- MPEG-1/2, MPEG-4, H.264/AVC, MVC, H.265/HEVC, VP8, VP9, H.263, VC-1, Motion JPEG
- Storage
- 16GB internal storage, 1GB random access memory
- Operating system
- Android 11.0
Connectivity and software
- Sensor interfaces
- Sensor interface ×1
- Software / platform
- LedArt, XiaoHui Cloud
Physical
- Dimensions
- 175mm×101.1mm×32.1mm
- Weight
- Standard version: 240g; 4G version: 260g (net weight)
- Operating temperature
- -40℃~70℃
- Input voltage
- DC 5V-12V
- Power consumption
- 18W
Manufacturer-specific technical data
In the manufacturer's own wording (the original English terms are kept).
Capacity
- Maximum control range
-
- 655,360 pixels
- maximum horizontal 8192 pixels, maximum vertical 3840 pixels
- Storage space
-
- Random access memory 1GB
- internal storage 16GB
Network
- Wi-Fi
-
- Standard Wi-Fi
- STA mode supported
- mobile phone APP "LedArt" wireless control
- 4G
-
Optional: the 4G version has a Micro SIM card slot, 4G antenna and 4G indicator light
- Cloud platform
-
"XiaoHui Cloud" platform Internet remote cluster management
Interfaces
- Output network port
-
Standard 1 Gigabit output network port, directly cascaded with HD-R series receiving cards
- Input network port
-
- 1 communication network port, 100Mbps, for debugging and releasing programs
- can access LAN or Internet
- USB
-
- USB3.0 and USB 2.0 for updating programs, inserting programs or expanding capacity
- USB 2.0 can change to OTG function
- Sensor input
-
1 channel sensor input interface: temperature, humidity, brightness, wind speed, wind direction, noise, PM2.5, PM10, CO₂ and other sensors
- Audio output
-
1 channel TRS 3.5mm standard two-channel audio output
Control
- Function button
-
NEXT: switch program play, supports change to TEST mode
- System software
-
Android 11.0
Playback
- Video window playback
-
Up to 1-channel 4K or 2-channel 1080P or 4-channel 720P or 6-channel 360P
- Video decoding
-
- H.265/HEVC up to 4096×2304 pixels, 2304P@60fps
- H.264/AVC, MVC up to 4096×2304 pixels, 2304P@30fps
- VP9 up to 4096×2304 pixels, 30fps
- MPEG-1/2, MPEG-4, VP8, VC-1, Motion JPEG: up to 1920×1088 pixels, 30fps
- H.263 up to 4CIF(704×576), 30fps
- Picture formats
-
JPEG (48x48 pixels to 8176x8176 pixels), BMP, GIF, PNG, WEBP
Electrical
- Power
-
- DC 5V-12V (5V 3A, 12V 1.5A)
- maximum power consumption 18W
Physical
- Size
-
175mm×101.1mm×32.1mm
- Net weight
-
- Standard version 240g
- 4G version 260g
- Environment
-
- Working -40℃~70℃
- storage -40℃~80℃
- 0%RH~80%RH (no condensation)
- IP20
Sources
Source note
The document shows no HDMI input and does not mention synchronous playback; it mentions asynchronous playback only. 655,360 pixels is printed as the total control range of the single output port; no separate per-port figure is printed. 4G is optional (standard version and 4G version). The input network port is printed as 100Mbps on the front panel table. The document does not state an output frame rate.
- Shenzhen Huidu Technology Co., Ltd.—HD-A3L
- 深圳市灰度科技股份有限公司—HD-A3L
- Shenzhen Huidu Technology Co., Ltd.—HD-A3L
- HD-A3L Specification
- Product Specification Multimedia Player HD-A3L Version 1.1
- Official product image — HD-A3L (Product Specification Multimedia Player HD-A3L Version 1.1)
- Official ports view — HD-A3L (HD-A3L Specification)
Dataset: 2026.10.12-1 · last verified: Oct 7, 2026
Interoperability between receiving cards and controllers from different manufacturers is not assumed without official documentation.
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