4-Port 4K HDMI Switch
VS481B
- Allows up to four HDMI A/V sources to be connected to one HDMI display
- HDMI (3D, Deep Color, 4kx2k); HDCP 2.2 compatible
- Supports 340MHz bandwidth for ultrahigh 4kx2k video
- Quick and easy switching between HDMI sources via front panel pushbuttons, RS-232 or IR Remote control

The VS481B is a 4-port video switch that enables fast switching between four HDMI sources, delivering up to 4K audiovisual content to a single HDMI display. It's an ideal addition to any AV setup where multiple video feeds need to be shared and switched instantly – perfect for home entertainment systems, meeting rooms, retail displays, and more.
Instant Switching between 4 HDMI Inputs
Enjoy a variety of video content by switching between 4 HDMI source devices, such as computers, media players, and more.


Pristine 4K Clarity
The VS481B supports Ultra HD resolutions up to 4K (3840×2160 @ 30Hz, 4:4:4), delivering crystal-clear detail.
Long-Distance 4K Transmission

Flexible Switching Options
Switching is made easy with front-panel pushbuttons or the included IR remote control. Port selection can also be managed via a high-end controller, PC, or automation/theater software through an RS-232 serial connection to the switch. Or simply enable Auto Switch mode to automatically prioritize the most recently connected device as the video source.

Commitment to Best Quality
Each product is rigorously tested under diverse environmental conditions to ensure high-quality, reliable, and cost-effective performance for our customers.

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Package Contents
- 1x VS481B 4-Port HDMI Switch
- 1x HDMI Cable (1.8m/6ft)
- 1x IR Remote Control
- 1x Power Adapter
- 1x User Instructions
The VS481B 4-Port HDMI Switch allows you to quickly connect 4 HDMI sources to your HDMI display and easily switch between them via front panel pushbuttons, RS-232 or IR remote control. The front panel’s LEDs indicate the source device selected for the display at a glance.
The VS481B supports Ultra HD 4Kx2K, the newest resolution for high definition displays; Auto Switching modes for auto port selection;Instant Switching for a smooth video transition between HDMI ports with increased efficiency; and features a built-in bi-directional RS-232 serial port that allows the switch to be controlled through a high-end controller, PC, and/or home automation/home theater software package.
- Allows up to four HDMI A/V sources to be connected to one HDMI display
- Quick and easy switching between HDMI sources via front panel pushbuttons, RS-232 or IR Remote control
- Supports 340MHz bandwidth for ultrahigh 4kx2k video
- HDMI (3D, Deep Color, 4kx2k); HDCP compatible
- Auto switching modes for auto port selection
- Long distance transmission – up to 15 m (24 AWG)
- Consumer Electronics Control (CEC) support
- Supports Dolby True HD and DTS HD Master Audio
- Built-in bi-directional RS-232 serial remote port for high-end system control
- Instant switching between HDMI input sources
- Supports IR extension using a IR extension cable *
- LED indication of video source devices
Note: The IR extension cable (Part No. 2XRT-0003G) is not included inthis package.
Video Input | |
Interfaces | 4 x HDMI Type A Female (Black) |
Impedance | 100 Ω |
Max. Distance | 3m @3840x2160@30 (4:4:4) |
Video Output | |
Interfaces | 1 x HDMI Type A Female (Black) |
Impedance | 100 Ω |
Max. Distance | 15m @3840x2160@30 (4:4:4) |
Video | |
Max. Data Rate | 10.2 Gbps (3.4 Gbps per lane) |
Max. Pixel Clock | 340 MHz |
Compliance | HDMI (3D, Deep Color, 4K) HDCP Compatible Consumer Electronics Control (CEC) |
Max. Resolution | Up to 4096 x 2160 / 3840 x 2160 @ 60Hz (4:2:0); 4096 x 2160 / 3840 x 2160 @ 30Hz (4:4:4) |
Control | |
RS-232 | Connector: 1 x DB-9 Female (Black) Baud Rate and Protocol: Baud Rate: 19200, Data Bits: 8, Stop Bits:1, Parity: No, Flow Control: No |
IR | 1 x Mini Stereo Jack Female (Black) |
Connectors | |
Power | Connector: 1 x DC Jack |
Power Consumption | DC5V:1.76W:8BTU/h Note: ● The measurement in Watts indicates the typical power consumption of the device with no external loading. ● The measurement in BTU/h indicates the power consumption of the device when it is fully loaded. |
Environmental | |
Operating Temperature | 0 - 50°C |
Storage Temperature | -20 - 60°C |
Humidity | 0 - 80% RH, Non-Condensing |
Physical Properties | |
Housing | Metal |
Weight | 0.48 kg ( 1.06 lb ) |
Dimensions (L x W x H) | 20.00 x 8.25 x 2.50 cm (7.87 x 3.25 x 0.98 in.) |
Carton Lot | 10 pcs |
Note | For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format. |
Datasheet
vs481b_video_switche_ss_en.pdf (1.09 MB)User Manual
File Name | Release Date |
vs481b-user-manual-w.pdf (505.46 KB) | 2024-09-09 |
Quick Start Guide
vs481b_video_switch_qsg.pdf (1.64 MB)CAD Drawing
vs481b-ASM-V02_WEB.pdf (45.7 KB)Firmware
Description | Ver. | Release Date | File Name |
Firmware Upgrade | v1.0.062 | 2014-12-03 | vs481b_v1.0.062.zip |
Software & Drivers
ОS | Description | Ver. | Release Date | File Name |
Other | ||||
Windows | RS-232 Control Tool | v1.0.061 | 2014-12-03 | vs481b_rs-232_controltool_v1.0.061.zip |
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VS481B
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