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Dual Monitor HDMI KVM Switch for 2 Computers with USB 3.0
Manage two HDMI computers across two HDMI displays from a single KVM setup. TESmert T122 combines dual-monitor switching with shared USB 3.2 Gen 1 peripherals, audio, 100 Mbps Ethernet, EDID emulation, and multiple control methods.
• HDMI Dual Monitor KVM Switching:
Supports two HDMI computer inputs and two HDMI monitor outputs, allowing two systems to share a dual-monitor setup through one KVM switch.
• Flexible Display Modes:
Supports multiple dual-monitor configurations, including using both displays with one computer or sharing displays between two connected computers.
• USB, Audio & Network Sharing:
Provides shared access to USB 3.2 Gen 1 devices, 3.5 mm audio/microphone connection, and 100 Mbps Ethernet between connected computers.
• Ghost Display (EDID Emulation):
Maintains display information during switching to help reduce display re-detection, resolution changes, and window rearrangement.
• 4K@60Hz Display Support:
Supports up to 3840 × 2160 @ 60Hz resolution for high-quality HDMI display performance.
• Keyboard & Mouse Compatibility Modes:
Provides Transparent and Emulation modes to improve keyboard and mouse compatibility across connected computers.
• Multiple Switching Methods:
Supports switching through front-panel buttons, keyboard hotkeys, and mouse wheel. Wired controller support is available separately.
🚚 Pre-Order Now | Estimated Shipping: Oct 28
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Dual Monitor HDMI KVM Switch for 2 Computers with USB 3.0
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Overview
Designed for everyday dual-computer setups, the TESmert T122 HDMI KVM switch lets you control two computers with one shared monitor, keyboard, mouse, USB devices, audio, and network connection. Keep your desk organized, reduce cable clutter, and switch between work and personal computers without constantly unplugging devices.
Perfect for home offices, remote work setups, and anyone who uses two computers in a compact workspace.
Simplify Your Everyday Computer Setup
Replace duplicate keyboards, mice, and cables with one simple setup. T122 lets two computers share the same monitor and peripherals, making your desk cleaner and easier to manage.
Flexible Dual-Monitor Support
Use two monitors with one computer for expanded workspace, or switch between connected computers based on your preferred setup.
Share Your Essential Devices
Keep your everyday accessories ready across both computers. Share USB devices, audio, and network access without repeatedly reconnecting webcams, printers, storage devices, or other peripherals.
Keep Your Display Settings Stable
Ghost Display (EDID Emulation) helps maintain display recognition when switching between computers, reducing display re-detection, resolution changes, and unexpected window rearrangement.
Reliable Keyboard & Mouse Control
Transparent and Emulation modes improve keyboard and mouse compatibility, helping ensure smooth and reliable control across different computers.
Switch Between Work and Personal Computers Easily
Move between computers using the front-panel button, keyboard hotkeys, or mouse wheel. Quickly change systems based on your daily tasks without interrupting your workflow.
Technical Details
Specifications
Features
- Dual & Mixed Display Modes
- Ghost Display (EDID Emulation)
- Keyboard & Mouse Transparent and Emulation Modes
- USB & Audio Follow / Lock Modes
- Independent Display Switching
- Customizable Hotkeys
Display Support
- 3840 × 2160 @ 60 Hz
- 2560 × 1440 @ 120 Hz
- 1920 × 1080 @ 240 Hz
Connections
• PC Inputs
- 2 × HDMI
- 2 × USB-B
System Compatibility
- Windows
- macOS
- Linux (Ubuntu, Debian, Fedora, etc.)
- Raspberry Pi OS
- Other Linux-based Systems
• Display Outputs
- 2 × HDMI
• Shared Ports
- 2 × USB 3.2 Gen 1 (5 Gbps)
- 2 × Keyboard/Mouse USB
- 1 × 3.5 mm Audio/Mic Combo Jack
- 1 × 100 Mbps Ethernet Port
• Control
- 1 × Wired Remote Port (Sold Separately)
Power
- DC 12 V / 3 A
Included in the Box

T122 KVM Switch

2 * USB-A to B Cables

DC 12V Power Adapter

User Manual
Product comparison
Amount of Computers
2
Amount of Computers
2
Amount of Computers
2
Amount of Monitors
2
Amount of Monitors
2
Amount of Monitors
1
Video Type
USB-C(DP Alt Mode)
Video Type
USB-C(DP Alt Mode)+ HDMI 2.0 + DP 1.2
Video Type
HDMI 2.0
Max Resolution
4K60Hz
Max Resolution
4K60Hz
Max Resolution
4K60Hz
EDID Emulation
Yes
EDID Emulation
Yes
EDID Emulation
Yes
Special Features
- PD 65W(PC1 & PC2)
- USB3.0 Sharing Port * 2
- 3.5mm Audio/Mic Combo Jack
- 1000Mbps Ethernet Port
- Passthrough Mode
Special Features
- PD 100W(PC1)
- USB3.0 Sharing Port * 2
- 3.5mm Audio/Mic Combo Jack
- 1000Mbps Ethernet Port
- Passthrough Mode
Special Features
- USB3.0 Sharing Port * 2
- 3.5mm Audio/Mic Combo Jack
- 100Mbps Ethernet Port
- Hot Plug
- Passthrough Mode






