Official product image — source: Huidu.
Huidu · Multimedia player
HD-C16H
Fully verified
Manufacturer class: LED Display Asynchronous Controller
LED asynchronous full-colour control card that integrates sending, receiving and playing. Its 16 onboard HUB75E interfaces can drive the LED screen directly, and one Gigabit output network port can cascade HD series receiving cards, for a total loading capacity of up to 650,000 pixels.
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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.
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Key specifications
View Technical Details- Capacity
- 650 K px
- Outputs
- 1 × RJ45
- Max. width
- 8,192 px
- Mode
- Synchronous + asynchronous
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- Official product page
- Official specification / manual (V1.0) opens from the manufacturer's page
Best suited for
- Advertising and information displays managed through the cloud without a permanent PC.
- Synchronous installations where a PC or live HDMI/DVI source is shown one-to-one on the display.
- Displays with a total load of up to 650,000 px (1 Ethernet outputs).
Key features (manufacturer)
- Maximum control range of 650,000 pixels; the C16H alone can load 260,000 pixels, widest 2048 pixels
- 16 HUB75E interfaces on board to connect modules directly
- One Gigabit output network port to cascade HD receiving cards: 650,000 pixels, widest 8192 pixels or highest 3840 pixels
- Comes with 2.4GHz Wi-Fi, AP and STA modes can be on simultaneously; mobile APP LedArt wireless control
- Communication by U-disk, Ethernet and optional 4G; access to the XiaoHui Cloud platform for remote cluster management
- Video playback performance: 1-way 4K or 3-way 1080P or 8-way 720P or 16-way 360P
- Optional HDMI adapter small board for synchronised playback, maximum 1920×1080@60Hz input
- 2 universal sensor inputs, 1 single-temperature sensor input, onboard relay and 3 groups of CTRL switching detection
Capacity and network topology
1
- Total capacity
- 650,000 px
- Max. width × height
- 8,192 × 3,840 px
- Operating mode
- Synchronous + asynchronous
Technical specifications
- Synchronous (live) mode
- Asynchronous (stored) mode
- Wi-Fi
- LAN
- USB playback
- Cloud / remote management
Capacity and outputs
- Loading capacity
- 650,000 px
- Maximum width
- 8,192 px
- Maximum height
- 3,840 px
- Ethernet outputs
- 1
- Port speed
- 1 Gbps
Inputs and playback
- HDMI inputs
- 1
- Input interfaces
- HDMI IN ×1 (optional HDMI adapter small board)
- Max. decoding resolution
- 4096×2304
- Video codecs
- H.265, H.264, MPEG-4, VP9, MJPEG, AVS2, H.263, VP8, MPEG-2, MPEG-1, VC-1, Sorenson Spark, CAVS
- Storage
- 16GB (7.9GB available)
- Operating system
- Android 10.0
Connectivity and software
- Sensor interfaces
- Universal sensor input ×2, Single-temperature sensor input ×1
- Software / platform
- HDPlayer, XiaoHui Cloud, LedArt
Physical
- Dimensions
- 174.9mm×101.5mm
- Weight
- 0.15KG (±10g)
- Operating temperature
- -40℃~80℃
- Input voltage
- DC 5V (3.8V~5.5V)
- Power consumption
- 8W
Manufacturer-specific technical data
In the manufacturer's own wording (the original English terms are kept).
Capacity
- Maximum control range
-
- 650,000 pixels
- cascade receiver card with 650,000 pixels, widest 8192 pixels (width > 2048 discount) or highest 3840 pixels (height > 2048 discount)
- Onboard loading (C16H only)
-
- 260,000 pixels, widest 2048 pixels
- the actual bandwidth is related to the number of interfaces/module resolution
- Internal storage
-
16GB (7.9GB available)
Network
- Wi-Fi
-
2.4GHz Wi-Fi, AP and STA mode switching and simultaneous switching on, recommended operating distance within 15M
- 4G
-
- Optional 4G module according to region, with 4G antenna
- 4G access to the XiaoHui Cloud platform
Interfaces
- HUB interfaces
-
16 HUB75E interfaces on board, connection to the module via cable
- Output network port
-
1 channel Gigabit output network port, cascaded with HD-R series receiving cards
- Input network port
-
1 channel 100M input network port, communicates with other devices via TCP/UDP
- HDMI IN
-
Optional HDMI adapter small board, maximum 1920×1080@60Hz input
- USB
-
1 channel USB communication interface, used to update programs or expand capacity
- Audio output
-
TRS 3.5mm standard dual-channel audio output and 3PIN dual-channel audio output interface
- Sensor and GPS
-
- 2 universal sensor inputs and 1 single-temperature sensor input
- GPS interface for an optional GPS module (timing or positioning)
- serial ports default TTL level, support RS-232 or RS-485
Control
- Relay and CTRL
-
- Onboard 1-channel relay (operating voltage 4.6V-5.5V, maximum load AC 250V~3A or DC 30V-3A)
- 3 groups of CTRL switching detection (12V level input) for bright screen/black screen/programme switching
- Ways of communication
-
- Stand-alone control by Wi-Fi, direct network port connection or USB
- cluster control over the Internet
- synchronised playback via HDMI signal input
- Supporting software
-
HDPlayer (PC client), XiaoHui Cloud (web client), LedArt (mobile client for Android, iOS, Harmony)
Playback
- Video playback performance
-
1-way 4K or 3-way 1080P or 8-way 720P or 16-way 360P
- Video decoding
-
- H.265 up to 4096×2304 pixels at 60fps, H.264 and VP9 up to 4096×2304 pixels at 30fps, AVS2 up to 3840×2160 pixels
- formats MP4, AVI, RMVB, FLV, MKV, MOV
Electrical
- Input power
-
- DC 5V (3.8V~5.5V), 5V DC power input or 4PIN power input (choose one)
- maximum power consumption 8W
Physical
- Size and weight
-
- 174.9mm×101.5mm
- net weight 0.15KG (±10g)
- the bare board is not waterproof
- Environment
-
Working temperature -40℃~80℃, humidity 0%RH~80%RH (no condensation)
Sources
Source note
Compiled from the official English specification "LED Display Asynchronous Controller HD-C16H" V1.0 (first release Oct. 10, 2025). The document states two capacities: 650,000 pixels as the total loading capacity / maximum control range (reached with cascaded receiving cards on the Gigabit output port; widest 8192, highest 3840 pixels) and 260,000 pixels, widest 2048 pixels, for the C16H alone on its 16 onboard HUB75E interfaces ("the actual bandwidth is related to the number of interfaces/module resolution"). The catalog capacity fields hold the 650,000-pixel total; the onboard figure is a specification row. HDMI input, 4G, GPS, RS232/RS485 and the sensors are options. The document does not name a product series and gives no height for the board.
- HD-C16H/C16L/C08L
- LED Display Asynchronous Controller HD-C16H Version: V1.0
- Official product image — HD-C16H (LED Display Asynchronous Controller HD-C16H Version: V1.0)
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.
Huidu receiving cards from the same ecosystem
System components from the same manufacturer. The solution designer calculates whether a specific pairing is technically suitable.
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