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Free EU shipping
Fast delivery from local warehouse
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Hassle free returns
30 days money back guarantee
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Secure payment
No payment information is saved
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Lifetime Tech Support
Official professional after-sales service
Key Features
KEY FEATURES
- Efficient management of 4 PCs with a set of keyboard, mouse and three 4K60Hz displays.
- 3 USB 3.0 (including 1 USB C), 2 of which are suitable for loading. USB 3.0 sharing for printers, jump drives, USB headsets, and webcams for teleconferencing.
- New additions include a built-in microphone and L/R audio out.
- New additions include a LAN port for a stable network connection. Make sure all 4 computers are connected to the network via RJ45 at a speed of up to 100 Mbps.
- 2 operating modes: mode 1 for extended desktop and mode 2 for shared desktop (each computer will simultaneously displayed on 1 monitor).
- K&M pass-through for compatibility with various keyboard types: wired, wireless, mechanical and gaming.
- Easy plug and play setup, no drivers required.
- Compatible with Unix/Windows/Debian/Ubuntu/Fedora/MacOS X/Raspbian/Ubuntu for Raspberry Pi and other Linux-based systems, ideal for use at home, in the office or in education.
OTHER FEATURES
- 3 ways to switch inputs: keyboard hotkeys, front buttons or remote control.
- Assignable hotkey triggers from roles to Right Ctrl.
- Supports front panel feature settings to switch ports, turn on/off auto scan, change hotkey trigger, lock audio and USB 3.0, and more features.
- Support for locking L/R audio and USB 3.0 devices on a fixed PC.
- KVM with one-touch lock to protect private data, with audio pause and LCD reduction -Screen brightness.
- Automatic scanning with an adjustable time interval from 1 to 250 seconds.
SPECIFICATIONS
- HDMI 3.0 supported 3840x2160(4K)@60hz, 3440x1440@100Hz, 2560x1440@144Hz, QHD@144hz, FHD@144hz.
- HDCP 2.2 compliant.
- HDR 10 and Dolby Vision.
- EDID emulation to avoid resolution and icon switching.
- Keyboard and mouse switching with no delay and no latency.
- IR remote control (battery not included). Requires 2 AAA batteries.
Before the purchase
PACKING LIST
EACH PC MUST MAKE 3 VIDEO CONNECTIONS TO KVM FOR TRIPLE MONITORS
- 1 * 4x3 Triple Monitor HDMI KVM Switcher
- 1 * DC 12V power adapter
- 4 * KVM cable (HDMI+USB)
- 8 * HDMI cable
- 1 * IR extension cable
- 1*IR remote control
- 2*rack ears1*user manual
SHIPPING
- We offer free express shipping ( Fedex/DHL) for EU orders.
2 YEARS WARRANTY EXTENDED TO 3 YEARS
- TESmart KVM Switch comes with a 2- Year warranty from the date of purchase. We offer a warranty extension program. Register to extend the warranty to 3 years.
- The warranty covers all defects in materials and workmanship under normal use. We reserve the right to replace defective products under warranty (no repairs, only exchanges).
Support
FAQ
- The switch must receive video signals on three HDMI inputs per PC for triple monitor output.
- Audio is transmitted over an HDMI connection . An HDMI or DisplayPort monitor is required for audio.
- Hotkeys are triggered via a keyboard connected to the dedicated mouse or keyboard ports.
- Emulation programming is locked and cannot be accessed by removed from the mouse and keyboard ports.
- Dedicated mouse and keyboard ports should not be used for other USB devices.
- Use a powered USB hub to increase the number of USB 3.0 expand connections. 3 USB 3.0 ports (including 1 USB-C port), 2 of which are suitable for charging.
- If the wireless mouse/keyboard "stutters", use a USB extender to extend the distance to receiver.
- Please insert 2 AAA batteries before using the remote control (batteries not included).
COMPATIBILITY INFORMATION
- Dedicated mouse and keyboard ports have emulation programming. Second generation chipsets have a "passthrough mode" to transmit special characters such as multimedia keys (play, pause, volume up/down, etc.), which greatly improves keyboard compatibility.
- Keyboard software such as Logitech Options, DAS Q, Corsair iCUE, etc. conflicts with emulation programming and limits the ability to use dedicated macro keys. We recommend using the KVM's USB 3.0 port as a workaround if this software is desired. The USB 3.0 port does not have emulation programming and therefore the KVM does not recognize hotkey toggle commands. If needed, use a powered USB hub to extend USB connectivity.
MORE INFO
Tired of the chaos? Try TESmart KVM Switch.


Renew your hybrid life
Fast switching, stable performance, and broad device compatibility unleash the power of efficiency. Experience productivity and comfort on a new level.
One-button switching
Unleash the power of 4k@60Hz
USB 3.0 - Accelerate your world
Mic In, World Out - Unleash Your Voice
Choose your ideal switching method: keyboard hotkeys, IR remote control or front panel buttons.
This Three Monitor HDMI KVM Switch with built-in EDID emulator offers maximum compatibility: 4K, Ultra-Wide and high refresh rate displays. Elevate your visual experience today!
- 3840x2160 (4K) @60Hz ;
- 3440x1440 @100Hz;
- 2560x1440 @144Hz.
HKS0403A1U with USB 3.0 eliminates lag - quickly transfer files, connect devices and effortlessly multitask.
Experience the freedom of seamless audio transmission with the HKS0403A1U. Plug your headset into the versatile 3.5mm jack for easy audio input and output.
The unique audio lock feature ensures your conversations and meetings continue uninterrupted while you switch between screens. Stay connected, stay in control.




Connect more intelligently - one cable, four computers
LCD Screen - Visualize your controls
Lock and Go - data protection made easy
Lock-in connectivity - no interruptions
The new LAN port of the HKS0403A1U revolutionizes your connectivity - one cable connects four computers to the network, simplifying your setup.
The LCD display provides a clear, intuitive interface for effortless navigation and enhanced usability
The one-button privacy lock secures all your screens in an instant, so your personal information is safe even when you're away from your desk.
Audio/USB lock ensures a stable connection when switching screens, allowing for uninterrupted calls and data transfers.





What's included?
EACH PC MUST MAKE 3 VIDEO CONNECTIONS TO KVM FOR THREE MONITORS
- 1 * 4x3 Triple Monitor HDMI KVM Switcher
- 1 * DC 12V power adapter
- 4 * KVM cable (HDMI+USB)
- 8 * HDMI cable
- 1 * IR extension cable
- 1 * IR Remote Control
- 2 * Rack Ears
- 1 * User Manual
Reviews by YouTubers
@Roberto Jorge Tech
4 Computers & 3 Displays 1 Mouse and 1 Keyboard | How to Use a SUPER KVM | TESmart
Although my setup is not common, the TESmart KVM works awesomely in my ultra configurations, significantly boosting my productivity.
- Roberto Jorge Tech





