HD-H4K multimedia player overview
The Huidu HD-H4K plays stored multimedia programs through HDMI to a monitor or LED video processor. It supports video, pictures, GIFs, text, Office documents, tables, clocks, timers, weather, QR codes and environmental data. Local storage and remote program management support digital signage and advertising displays.
Product parameters
| Parameter | Specification |
|---|---|
| Model | Huidu HD-H4K |
| Display output | 1 HDMI 2.0 OUT; 4K display support |
| Maximum width / height | 16,384 pixels wide or 4,096 pixels high; separate limits |
| Storage | 64GB onboard |
| Program network connection | 1 × 100M Ethernet port |
| USB connections | 1 OTG (default USB mode); 1 USB 3.0 |
| Card storage | 1 SD-card interface |
| Audio | 1 TRS 3.5mm two-channel output |
| Wi-Fi | 2.4GHz / 5GHz; AP and Station modes |
| Video windows | Up to 2 × 4K, 6 × 1080P, 10 × 720P or 20 × 360P |
| Remote management | XiaoHui Cloud; optional 4G/5G networking |
| Screen projection | Optional function |
| Other functions | Canvas settings; RS232 central control; third-party APK installation |
Connecting the player to an LED display
Connect HDMI OUT to the display or video processor and configure the playback canvas for that installation. The playback window can adjust to the connected display’s EDID. For an LED system, check the downstream processor and receiving-card capacity when planning the screen.
Frequently asked questions
Is the HD-H4K a multimedia player or an LED sending box?
It is an HDMI output multimedia player. Its HDMI output connects to a monitor or LED video processor; the 100M Ethernet port is for content release and terminal control.
Can programs play from local storage?
Yes. The unit has 64GB onboard storage and supports asynchronous playback. USB and SD-card connections can update programs or expand storage.
What does the maximum width and height mean?
The documented limits are a maximum width of 16,384 pixels or a maximum height of 4,096 pixels. They are separate limits and should not be combined into an assumed full-size canvas.
Does it support remote content management?
Yes. It supports XiaoHui Cloud remote cluster management. 4G/5G networking is optional.
Is wireless screen casting standard?
The specification describes wireless projection as optional. Confirm that the required function is included in the supplied configuration.
Application diagram and PDF download
Download Specification:
Huidu HD-H4K 4K HDMI Output Multimedia Player Specification
