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-H4K
Fully verified
H Series Manufacturer class: 4K player (HDMI output)
4K HDMI output multimedia player that plays videos, pictures, GIF animations, text, Office documents, tables, clocks, weather, QR codes and other program contents. It has one HDMI 2.0 output for a monitor or LED video processor, dual-band Wi-Fi with the "Screen Control" mobile APP, access to the "XiaoHui Cloud" platform and 64GB of onboard storage.
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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- Max. width
- 16,384 px
- Mode
- 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.
Key features (manufacturer)
- 1 HDMI OUT 2.0 output with 4K display support
- Maximum width of 16,384 pixels or maximum height of 4,096 pixels
- Playback window size adjusted automatically according to the EDID of the display
- Multi-channel video window playback: up to 2 channels of 4K or 6 channels of 1080P or 10 channels of 720P or 20 channels of 360P
- Standard 2.4GHz and 5GHz Wi-Fi with dual-mode switching between Wi-Fi AP and Station
- Internet remote cluster management, with optional 4G/5G networking
- RS232 docking of a central control protocol; installation of third-party APK
- Android 11.0, 4GB running memory and 64GB internal storage
Capacity and network topology
- Max. width × height
- 16,384 × 4,096 px
- Operating mode
- Asynchronous
Technical specifications
- Asynchronous (stored) mode
- Wi-Fi
- LAN
- USB playback
- Cloud / remote management
Capacity and outputs
- Maximum width
- 16,384 px
- Maximum height
- 4,096 px
Inputs and playback
- HDMI outputs
- 1
- 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
- 64GB internal storage, 4GB running memory
- Operating system
- Android 11.0
Connectivity and software
- Software / platform
- Screen Control, XiaoHui Cloud
Physical
- Dimensions
- 208mm×132mm×31mm
- Weight
- 0.6KG (net weight)
- Operating temperature
- -40℃~70℃
- Input voltage
- DC 12V
- Power consumption
- 18W
Manufacturer-specific technical data
In the manufacturer's own wording (the original English terms are kept).
Capacity
- Output resolution
-
- 4K display
- maximum width of 16,384 pixels or maximum height of 4,096 pixels
- Storage
-
- Running memory 4GB
- internal storage 64GB
Network
- Wi-Fi
-
- Standard 2.4GHz and 5GHz Wi-Fi
- dual-mode switching between Wi-Fi AP and Station
- mobile APP "Screen Control" wireless control
- 4G
-
- Optional 4G module with standard SIM card slot
- the feature list names optional 4G/5G networking
- Cloud platform
-
"XiaoHui Cloud" platform Internet remote cluster management
Interfaces
- HDMI OUT
-
- 1 HDMI 2.0 output interface, connected to a monitor or LED video processor
- playback window size adjusted automatically according to the EDID of the display
- Input network port
-
1 100M network port for LAN or Internet access, program release or terminal control
- USB
-
1 channel USB 3.0 and 1 channel OTG (default USB mode) to update / insert programs and expand capacity
- SD card slot
-
1-way SD card interface (TF card) for inserting programs and expanding capacity
- RS232 serial port
-
Docking of a central control protocol
- Audio output
-
1 channel TRS 3.5mm standard two-channel audio output
Control
- IR receiver
-
Used to switch programs, adjust brightness, volume, etc.
- System software
-
Android 11.0
Playback
- Video window playback
-
Up to 2 channels of 4K or 6 channels of 1080P or 10 channels of 720P or 20 channels of 360P
- Video decoding
-
- H.264/AVC, MVC, H.265/HEVC 4096×2304, 2304P@60fps
- VP9 4096×2304, 60fps
- MPEG-1/2, MPEG-4, VP8 1920×1088, 60fps
- Motion JPEG 48×48 to 1920×1088, 60fps
- VC-1 48×48 to 1920×1088, 30fps
- H.263 720x576, 60fps
- Picture formats
-
JPEG (48×48 to 8192×8192), BMP, GIF, PNG, WEBP
- Functions
-
- Canvas settings (open by default) for point-to-point display
- optional wireless screen projection from mobile phones, tablets and computers
- installation of third-party APK
Electrical
- Power
-
- DC 12V (12V 1.5A)
- maximum power consumption 18W
Physical
- Size and net weight
-
- 208mm×132mm×31mm
- 0.6KG
- Environment
-
- Working -40℃~70℃
- storage -40℃~80℃
- 0%RH~80%RH (no condensation)
- IP20
Sources
Source note
HDMI-output player: the document lists one HDMI 2.0 output and no network outputs for receiving cards, so ethernetOutputs and pixelsPerPort are null. It states a maximum width or height and 4K display, but no total loading capacity, so maxLoadingPixels is null. Synchronous playback and HDMI input are not mentioned. 4G is an optional module. The document does not state an output frame rate; 60fps appears only in the video decoding table.
- Shenzhen Huidu Technology Co., Ltd.—HD-H4K
- Product Specification Multimedia Player HD-H4K Version V1.0
- Official product image — HD-H4K (Product Specification Multimedia Player HD-H4K Version V1.0)
- Official ports view — HD-H4K (Product Specification Multimedia Player HD-H4K 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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