4-Port HDMI Automatic Video Switch – 4K with Fast Switching

$319.57 (Incl. GST)

or 6 weekly interest-free payments from $53.26 with Laybuy 4-Port HDMI Automatic Video Switch – 4K 2×1 HDMI Switch with Fast Switching, Auto-sensing and Serial Control

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Description 4-Port HDMI Automatic Video Switch – 4K with Fast Switching. Video port type: HDMI. Product colour: Black, Maximum refresh rate: 30 Hz, Supported graphics resolutions: 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA). AC adapter input voltage: 100 – 240 V, AC adapter output voltage: 12 V, AC adapter output current: 1.5 A. Certification: CE, FCC, TAA, REACH. Width: 65 mm, Depth: 156 mm, Height: 20 mm

Create a powerful visual experience, with the ability to switch between four 4K video sources seamlessly. This 4-port HDMI® switch lets you share a monitor, projector or TV with four Ultra High Definition video sources, and switch between them with minimal disruption.

Impressive image quality with 4K support
The video switch maintains Ultra HD 4K picture quality while switching between content from HDMI source devices – including Blu-ray™ players and DVD players, computer systems, video game consoles, digital cable and satellite boxes and A/V receivers.

4K support ensures a higher level of image clarity and visibility, delivering four times the resolution of 1080p – 8.29 million pixels versus 2.07 million pixels. It provides a more engaging visual experience for audiences in a wide range of venues including conference centers, boardrooms, educational facilities, and commercial settings. With its exceptional resolution and image quality, it’s also ideal for bringing your digital signage to life.

Fast and easy operation
Enjoy hassle-free operation with three switching modes:

Fast auto-switching:
ensures minimal time for switching between HDMI sources. The switch provides effortless operation with advanced auto-sensing – it detects the latest connected HDMI source and automatically switches to it. Auto-switching encourages collaboration among colleagues, by making it easy to share a projector or display. It also ensures no downtime in a digital signage application if a source signal is accidentally powered off or fails.

Priority switching:
identifies one port to take first priority for HDMI sources when multiple sources are connected, ideal for applications such as digital signage.

Manual switching:
enables you to manually select your HDMI source with front panel buttons that are easy to use.

An IR remote control is included in the box, enabling you to select your desired input source remotely. The RS-232 serial control interface ensures easy remote operation with serial control enabled devices.

Hassle-free setup with plug-and-play installation
The switch also saves time during setup with EDID emulation, which ensures that all of your display settings, such as native resolution and refresh rate, are communicated between your display and video source devices. EDID emulation maximizes compatibility with your 4K display, ensuring a convenient plug-and-play installation and the sharpest image quality.

The VS421HD4KA is backed by a 2-year warranty and free lifetime technical support.

Warranty: 2 Years

Additional information

Video port type



DC-in jack


Product colour


Maximum resolution

3840 x 2160 pixels

Power consumption (typical)

18 W


65 mm


20 mm


291 g

Package width

235 mm

Package depth

155 mm

Package height

64 mm

Package weight

836 g

Remote control included


Cables included

Phone (RJ-11)

Sustainability certificates


HDMI ports quantity


AC adapter output voltage

12 V

AC adapter output current

1.5 A




156 mm



Supported graphics resolutions

1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 2560 x 1600 (WQXGA)

LED indicators

Activity, Power

AC adapter input voltage

100 – 240 V

Mounting kit


AC adapter included


Mounting brackets included


Operating temperature (T-T)

0 – 40 °C

Storage temperature (T-T)

-10 – 60 °C

Operating relative humidity (H-H)

0 – 80%

Supported video modes


Audio output channels

7.1 channels

Remote control type


Audio support


HDMI version


Maximum refresh rate

30 Hz

Quick start guide


Harmonized System (HS) code