Huidu HD-KV410 compact LED video processor
The HD-KV410 combines video processing, four Gigabit LED sending outputs and USB-drive playback in one 1U Mini chassis. It supports two switchable HDMI sources and a total LED display load of 2.6 million pixels.
KV410 technical specifications
Values below are from the linked V1.0 specification. Input video resolution, USB playback resolution and LED canvas limits are listed separately.
| HDMI inputs | 2 × HDMI-A, HDMI 1.4 backward compatible; up to 1920 × 1080p at 60 Hz |
|---|---|
| USB media input | 1 × USB 2.0, compatible with USB 3.0 drives; up to 1920 × 1080 at 30 Hz video |
| LED outputs | 4 × Gigabit Ethernet |
| Maximum total load | 2.6 million pixels |
| Per-port capacity | 655,360 pixels as listed in the interface table; total device limit also applies |
| Maximum canvas dimensions | Width 3840 pixels or height 2500 pixels, within total loading capacity |
| Audio | HDMI audio from one selected input; 1 × 3.5 mm TRS stereo output |
| Configuration interface | USB-B to computer |
| Controls | Source selection, scaling, crop/zoom, brightness, freeze and button lock |
| Infrared remote | Optional |
| Power supply / consumption | DC 12 V, 1.5 A / 14 W |
| Chassis / dimensions | 1U Mini / 248 W × 42.2 H × 132.15 D mm |
| Net weight | 0.7 kg |
| Operating environment | −20°C to 55°C; 20–90% RH, non-condensing |
| Storage environment | −20°C to 60°C; 10–95% RH, non-condensing |
HDMI switching and standalone USB playback
Select a live HDMI source for synchronized display or use a USB flash drive for video and picture playback. The front panel provides scaling, crop/zoom, brightness adjustment, freeze and button lock. Compatible receiving cards connect through the four Gigabit output ports.
The PDF lists USB video containers mp4, avi, mpg, mkv, mov, vob and rmvb, and image formats jpg, jpeg, png and bmp. Supported encoding must also match the document; a file extension alone does not guarantee playback.


HD-KV410 frequently asked questions
How many pixels can HD-KV410 control?
The KV410 is specified for a maximum total load of 2.6 million pixels through four Gigabit Ethernet outputs. The interface table lists 655,360 pixels per port; the total device limit also applies.
Can KV410 play videos without a live HDMI source?
Yes. USB mode plays supported video and image files from the root directory of a flash drive. USB video is limited to 1920 × 1080 at 30 Hz, while HDMI input supports up to 1920 × 1080p at 60 Hz.
Does the maximum 3840-pixel width support 4K HDMI input?
No. The 3840-pixel figure is an LED canvas-width limit. The HDMI input specification is up to 1920 × 1080p at 60 Hz, and the canvas must stay within the 2.6-million-pixel total load. Maximum width and height cannot be combined unrestrictedly.
How do I connect audio and configure the KV410?
Select audio from one of the two HDMI inputs and use the 3.5 mm TRS stereo output with suitable audio equipment. The separate USB-B port connects to a computer for device configuration.
Is the infrared remote standard, and what power is required?
The infrared remote is optional. The rear-panel and basic-parameter tables specify DC 12 V, 1.5 A and 14 W consumption; confirm the supplied power adapter. The front-button text refers to AC input, which differs from those DC specifications.


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