HD-H6 intelligent player for LED screen installations
The Huidu HD-H6 provides local program editing and playback for meeting rooms, exhibition halls, educational spaces and hotel lobbies. It can produce and run programs on the terminal without a separate computer, receive wireless screen projection and publish content through third-party apps.
H6 specifications and interfaces
| Parameter | Specification |
|---|---|
| LED display outputs | 6 Gigabit Ethernet ports for HD receiving cards |
| Total loading capacity | 3.93 million pixels |
| Maximum width / height | 65,536 pixels wide or 8,192 pixels high; within total loading capacity |
| Video playback alternatives | 2 × 4K, or 6 × 1080p, or 10 × 720p, or 20 × 360p video channels |
| Operating memory | 4 GB |
| Internal storage | 64 GB |
| Wi-Fi | Dual Wi-Fi chips; 2.4 GHz / 5 GHz; hotspot and wireless Internet connection simultaneously |
| Projection platforms | Windows, iOS, Android and screen-projection devices |
| Power input | DC 5–12 V; 5 V 6 A or 12 V 3 A |
| Maximum power consumption | 21 W |
| Standby power | Less than 0.5 W; infrared standby wake-up |
| Dimensions | 289.2 × 141 × 44 mm, including mounting ears |
| Net weight | 1.30 kg |
| Protection level | IP20 |
| Operating environment | −40 to 70 °C; 0–80% RH, non-condensing |
| Storage environment | −40 to 80 °C; 0–80% RH, non-condensing |
| Parameter | Specification |
|---|---|
| Network connection | 1 Gigabit Ethernet port; TCP/UDP communication |
| HDMI inputs | 2 × HDMI 1.4; cascade splicing and picture-in-picture |
| Optical input | 1 × SFP IN; cascade splicing and duplicate display |
| USB | 2 ports, USB 2.0 / USB 3.0; program playback, firmware upgrades or storage expansion |
| OTG | 1 interface; configurable OTG/USB mode, default USB-drive function |
| Sensor connection | 1 interface for environmental sensors or GPS |
| Serial control | 1 × RS232 and 1 × RS485; central control via RS232 or RS485 |
| Relay | 1 RELAY interface |
| HDMI output | 1 HDMI OUT; cascade loop-out or screen monitoring |
| Optical output | 1 SFP OUT; data source for the next device’s SFP IN |
| Audio output | 1 × 3.5 mm TRS stereo |
For a screen layout, check the 3.93-million-pixel total capacity together with the width and height limits. The maximum dimensions are independent values. The video channel counts describe alternatives at each resolution.
Display sources and multi-device layouts
Two HDMI 1.4 inputs support cascade splicing and picture-in-picture. HDMI OUT can loop the signal to another unit or provide screen monitoring. For optical cascading, SFP OUT supplies the next device’s SFP IN; optical input supports splicing and duplicate display.
USB ports handle local program playback, firmware upgrades and storage expansion. The configurable OTG port defaults to USB-drive operation. The H6 includes 4 GB operating memory and 64 GB internal storage.
Wireless presentation and room control
Present from Windows, iOS or Android devices using wireless projection. Dual Wi-Fi chips support 2.4 GHz and 5 GHz, including simultaneous hotspot operation and wireless Internet access. Bluetooth voice control and Bluetooth speakers, keyboards and mice are supported.
Connect central-control equipment through RS232 or RS485, and use the sensor interface for environmental monitoring or GPS. Camera, speaker and relay connections support interactive installations. Infrared standby wake-up is available, with standby power below 0.5 W.

Specification download
Download the HD-H6 specification (Chinese PDF)
Frequently Asked Questions
How many LED display outputs does Huidu H6 have?
The H6 has six Gigabit Ethernet outputs for HD receiving cards. Its separate network-connection port provides TCP/UDP communication.
What is the loading capacity of the HD-H6?
Total loading is 3.93 million pixels. Maximum width is 65,536 pixels or maximum height is 8,192 pixels, subject to the total capacity.
Can the H6 run locally created programs?
Yes. Local program editing, production and playback are supported on the terminal. USB program playback and third-party app content publishing are also available.
Can the H6 use Wi-Fi and a hotspot at the same time?
Yes. Its dual Wi-Fi chips support simultaneous hotspot operation and wireless Internet access, with 2.4 GHz and 5 GHz bands.
What are the H6 video playback limits?
The specified alternatives are two 4K channels, six 1080p channels, ten 720p channels or twenty 360p channels. These counts apply to separate workloads.






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