Feature

●【HDMI KVM Switch 4 IN 1 OUT】 HDMI KVM switch is perfect for hooking up 4 desktops or laptops to share 1 set of keyboard, mouse and 1 monitor for home and office setup, gaming consoles and streaming devices. Experience the convenience and efficiency of multi-device management.
●【Ultra HD 4K@60Hz and EDID Emulators】The Resolution is up to 3840x2160 (4K) @60hz, 3440x1440@100hz, 2560x1440@144hz and downward compatible, Support 3D, HDR10, HDCP2.2, and Dolby Vision delivering more exquisite and authentic video on your screen. With EDID emulators in each input port, your computers always receive the correct display information and preventing displays setting change while switching inputs. Free you from the hassle of constantly adjusting display settings.
●【High Compatibility with Your Keyboards and Mice】The upgraded pass-through mode (Semi-DDM USB) of 4 In 1 Out KVM Switches makes it widely compatible with more keyboards and mice, including wired, wireless, mechanical, multimedia, and gaming K&M (Not support wireless bluetooth K&M).
●【Say Goodbye to the Annoying“Ding-Dong”】Keyboard and Mouse Seamless Switching, No delay, zero latency keyboard and mouse switching makes your use smooth and enhance your work efficiency or gaming experience. No more tangled wires or juggling multiple keyboards and mice.
●【Switching Made Easy with Hotkeys】Our KVM provides 4 switching options to suit your needs. Whether you prefer using the IR remote(AAA batteries not included), button, hotkeys, or mouse gesture, you can easily switch between HDMI sources and manage your devices with ease.
●【Wide OS Compatibility】 TESmart KVM switch 4 computers supports various operating systems including Unix, Windows, Debian, Ubuntu, Fedora, Mac OS X, Raspbian, Ubuntu for Raspberry Pi and other Linux basic systems, making it a versatile selector for multiple devices to be used flexibly with different OS without the need for additional software or drivers.
●【Support USB 2.0 Peripheral Device】In addition to the keyboard and mouse dedicated ports, there is also a USB 2.0 port. You can share USB hub, USB drive, printer or scanner across multiple devices. Provide you with great flexibility in complicated computer environment. Note: It could not support hotkey switching when the keyboard connected to the USB 2.0 port.

[for 4 PCs 1 monitor with mounting holes Black]

[for 2 computers 1 monitor Black]

[for 4 computers 1 monitor Black]

[for 4 computers 1 monitor Grey]

[for 2 computers 1 monitor Red]

[for 2 computers 1 monitor Grey]

[for 4 computers 1 monitor Red]

Description

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Pass-Through Mode Compatible with more keyboards and mice, including wired, wireless, mechanical, multimedia, and gaming K&M (Not support wireless bluetooth K&M)	Keyboard and Mouse Seamless Switching Available to use keyboard and mouse without any delay after switching input sources. No delay, zero delay, no need to reinstall the driver. Use it smoothly and improve your work efficiency or gaming experience.	True Ultra HD 4k Visual Enjoyment This 4K HDMI KVM switch max supports 3840x2160 @60Hz RGB 4:4:4 and downward compatible, support 3D, HDR and Dolby Vision. You can enjoy luxurious video with this HDMI KVM Switch.


4 Convenient Switch Modes 1.Hotkey Switching: Press scroll lock+ scroll lock+... or the right ctrl+ the right ctrl+... 2.Mouse gesture fast switch. 3.Button Switching: Switch 4 signal sources in the extended mode by the panel button. 4.IR Remote Control( without AAA battery).	Audio Output KVM Switch comes with a 3.5mm Audio Jack port with a DAC chip inside, which can be inserted into a 3-segment 3.5mm earpiece device.	Packing List 1x 4 Port HDMI KVM Switch 1x IR Remote Control(without batteries) 4x 1.5m KVM Cables 1x DC 5V Power 1x User Manual

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What are the differences between this 4 in 1 out model (HKS0401A2U) with another 4 in 1 out model (HKS0401A3U)?

HKS0401A3U is newset verson of 4 in 1 out HDMI KVM Switch in TESmart (2023 model), upgraded to the USB3.0 port, built-in charging module which can charge your phone, tablet, etc. Supporting sharing headset with mic. The new front panel buttons make control easier.

Please feel free to reach out to us at any time if you have questions or concerns!

How do I reach out for support?

If you have any questions or encounter issues, there is downloadable user manual and troubleshooting at the bottom of the detail page.

Additionally, you can reach out for support if needed. In the past year, we have founded a professional team to deal with problems from different customers within 12 hours.

What is the best KVM Switch for me and what factors do I need to take into account when choosing?

Its important to carefully consider what is the best KVM switch for your configuration depending on your application requirements and the switch features. In order to find the best KVM switch for your configuration here are the major questions to consider:

1.Existing PC Setup - Purchase a KVM switch that supports the number of computers in your setup.

2.Required Video Formats - It is best practice to use the same video connections wherever possible.

3.Multiple monitor support? Ensure every computer can support the number of monitors you are looking to use in your setup. This KVM switch could not split & extend desktops for dual monitors.

4.Hotkey support- TESmart KVM switches support the use of hotkey combinations to complete tasks such as switching between computers.

How can I get the sound from L/R?

1. Please confirm what output interface is the computer equipped with? (DVI? HDMI?) If your computer is equipped with DVI output, normally that the DVI output does not carry audio signals, so the audio signal cannot be output to the speaker.

2. After you connect the headset, you need to switch to the computer ith the audio device turned on. Only the computer that controls the audio playback will output audio.

3. If you have controlled the computer to turn on the audio device, select the correct audio output channel. (Right-click the speaker, open the sound settings, select the correct HDMI output device, and set it as default.)

Upgrade

Support

Choice

Audio


	HKS0401A2U	HKS0401A3U	HKS0402A1U	HKS0802A1U	PKS0802A10
Connector Type	4 HDMI	4 HDMI	4 HDMI	8 HDMI	8 DP
PCs	4	4	2	4	4
Monitors	1	1	2	2	2
4K@60Hz	✓	✓	✓	✓	✓
Used in	Your 4 PCs are all HDMI ports	Your 4 PCs are all HDMI ports	You have 2 PCs each with 2 HDMI ports and want to achieve dual-screen office	You have 4 PCs each with 2 HDMI ports and want to achieve dual-screen office	You have 4 PCs each with 2 DP ports and want to achieve dual-screen office
EDID Emulator	✓	✓	✓	✓	✓
L/R Audio	3.5mm L/R	Headset (Audio&Microphone)	3.5mm L/R	3.5mm L/R	3.5mm L/R

Pass-Through Mode

Keyboard and Mouse Seamless Switching

True Ultra HD 4k Visual Enjoyment

4 Convenient Switch Modes

Audio Output

Packing List

What are the differences between this 4 in 1 out model (HKS0401A2U) with another 4 in 1 out model (HKS0401A3U)?

How do I reach out for support?

What is the best KVM Switch for me and what factors do I need to take into account when choosing?

How can I get the sound from L/R?

Product guides and documents