| Technical | |
| Video Signal | HDMI: HDMI with 4K@60Hz 4:4:4, HDCP 2.2 |
| USB Data | USB 3.0, up to 5Gbps data transfer rate. With one high- power of 5V/1.5A port included. |
| Input/Output Resolution Supported | SMPTE:
1280x720P1,2,3,4,5,6,7,8, 1920x1080I6,8, 1920x1080P1,2,3,4,5,6,7,8,9, 2560×10809, 3840×10809, 3840×21602,3,5,6,8, 4096×21602,3,5,6,8 VESA: 800×6008, 1024×7688, 1280×7688, 1280×8008, 1280×9608, 1280×10248, 1360×7688, 1366×7688, 1400×10508, 1440×9008, 1600×9008, 1600×12008, 1680×10508, 1920×12008, 2560×144010 1 = at 23.98 Hz, 2 = at 24 Hz, 3 = at 25 Hz, 4 = at 29.97 Hz, 5 = at 30 Hz, 6 = at 50 Hz, 7 = at 59.94 Hz, 8 = at 60 Hz, 9 = 120Hz, 10 = 144Hz |
| HDR Format Supported | All HDR formats, including HDR 10, HLG, HDR 10+ and Dolby Vision |
| Audio Format Supported | HDMI: Fully supports audio formats in HDMI 2.0 specification, including PCM 2.0/5.1/7.1, Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio and DTS:X
MIC IN: Stereo LINE OUT: Stereo |
| Max Data Rate | 18 Gbps |
| General | |
| Operating Temperature | 0°C to + 45°C (32 to + 113 °F) |
| Storage Temperature | -20 to +70°C (-4 to + 158 °F) |
| Humidity | 20% to 90%, non-condensing |
| Power Consumption
(Maximum) |
3.6W |
| Device Dimensions
(W x H x D) |
230mm x 26.2mm x 142.6mm/ 9.06’’ x 1.03’’ x 5.61’’ |
| Product Weight | 0.83kg/1.83lbs |
Dual-Monitor 2x 4K HDMI KVM-Switch with USB 3.0 Hub incl. 4x HDMI/USB Cable, AV Access 4KSW21-DM-C
2×1 4K Dual Monitor HDMI KVM Switch w/ 4x HDMI Cables, Built-in USB 3.0 Hub, Hotkey Switching, 1080P@240hz & 2560×1440@144hz, Ideal for Home office & Gaming
4KSW21-DM dual monitor HDMI KVM switch is specially designed for users who have more than one PC and one monitor. It is plug and play, perfect for home office, gaming and learning. The KVM switch allows you to control two PCs with only one set of keyboard, mouse and two monitors at the same time. With just a press of the front button or a tap on the keyboard hotkey, you can easily switch between two PC sources. The two PCs can share up to three USB 3.0 peripherals. Whether in office work, gaming or learning, the dual monitor KVM switch allows you to view extra screens and maximize your productivity.
● 2×1 Dual Monitor KVM Switch: Control two PCs with only one set of keyboard, mouse and two monitors (extended or mirror mode). It allows you to view extra screens, boosting your productivity in office work, gaming or learning.
● Two Application Modes: In addition to the “KVM mode” mentioned above, you can also toggle the switch to “USB Mode” to stream two different video sources onto the two monitors simultaneously.
It lets you handle multiple tasks on two screens easily.
● Built-in USB 3.0 Hub: The two PCs can share up to three USB 3.0 peripherals like a 4K webcam, speakerphone, printer, scanner and hard disk, with a data transfer rate up to 5Gbp/s.
● 4K UHD & High Refresh Rate: Supports up to 4K@60Hz (4:4:4) 18Gbps input/output. Also supports 1080P@240Hz/165Hz/144Hz/120Hz/60Hz, and 2560×1440@144Hz/120Hz/60Hz, perfect for switching between game consoles.
● Fast and Flexible Switching: Supports switching via the front button and keyboard hotkey. Switch faster with the automatic PC wake-up and EDID emulation functions.
Notes:
1. If you need keyboard hotkey switching, please connect a keyboard to the KVM switch via the dedicated USB 1.1 port.
2. The KVM switch supports two application modes: KVM mode and USB mode. It can be set through DIP switch on the front panel. The device is in KVM mode by default.
Main Features:
- Dual-channel design; two input groups (each group is built with two HDMI ports).
- Video, analog audio, mouse, keyboard and other USB peripherals can be switched all at the same time.
- Built-in 3x USB 3.0 port; supports high-speed data transfer rate up to 5Gbp/s.
- Supports two application modes: KVM mode (both monitors on selected PC) and USB mode.(Monitor 1 to PC1 and Monitor 2 to PC2).
- HDMI 2.0 & HDCP 2.2 compliant; support video resolution up to 4K@60Hz 4:4:4 8bit.
- Supports all HDR format, such as HDR 10, HLG, HDR 10+ and Dolby Vision.
- Supports high refresh rate, like 1080P@120hz and 2560×1440@144hz.
- Supports new-generation automatic PC wake-up function.
- Supports fast switching, based on the EDID emulation function.
- Supports front button switching and hotkey switching with different keys.
- 2x 3.5 mm audio jack for microphone input and headphone output.
- Supports CEC trigger on HDMI outputs.
- Works with various operating systems, like windows, Mac OS and Linux.
- No driver required, plug and play.
Brand-New Dual Channel Design 
The dual monitor KVM switch is built with four HDMI input ports (two HDMI in one group) and two HDMI output ports, so you can easily switch between your work PC and gaming PC, and view two monitor screens at the same time. Whether in office work, gaming or learning, it allows you to view extra screens and maximize your productivity.
Two PCs Share Three USB 3.0 Devices 
The HDMI KVM switch can work as a USB 3.0 hub. It allows you to control two PCs with only one set of USB devices, such as mouse, keyboard, USB flash, 4K webcam, speakerphone, printer, scanner or other USB 3.0 devices. The data transfer rate can reach up to 5Gbp/s, 10 times faster than USB 2.0. Thus, you can easily build a powerful workstation while working from home.
Wake up Your “Sleeping” PC
You might set your personal PC to sleep or hibernate mode when it is not in use. When you switch to the PC, you don’t have to move your mouse or type on the keyboard to wake it up. The HDMI KVM switch is designed with a new-generation wake-up engine, so it can automatically wake up the PC with no manual operation required.
Switch Faster with EDID Emulation 
AV Access’s new KVM switches are all built with an EDID emulator in each input port. Whenever you switch between different sources, it ensures stable communications between the video sources and the display device. No screen flickering, no desktop icon rearrangement. It only takes you about 3 seconds to complete switching!
Enjoy the Finest Image and Sound 
With HDMI 2.0 and HDCP 2.2 compatibility, the HDMI KVM switch supports video input/output resolution up to 4K@60Hz 4:4:4 8bit. It also supports fantastic audio formats like PCM 7.1, Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio, DTS:X.
Wonderful Gaming Experience with 120Hz & 144Hz
Wonderful Gaming Experience with 120Hz & 144Hz 
For e-sports games where every second counts, low refresh rate can cause picture lag, greatly affecting the player’s performance. The KVM switch supports 1080P@120Hz and 2560×1440@144Hz video input/output, ensuring your game sources can be effectively switched. With the KVM switch, you can have an unprecedentedly enjoyable gaming experience.
Easily Switch Between Work And Life
The dual monitor KVM switch connects to 2 computer and easily switches by pressing a hotkey or the panel button. When you are working from home, a KVM switch makes it easy to alter from your office computer for work to your personal computer for entertainment. The dual HDMI output is designed for your dual monitor setup.
KVM Mode
Notes:
1. The device is in KVM mode by default.
2. When you switch to group 1, the displays connected to “Monitor A port” and “Monitor B port” will output video from HDMI In 1A and HDMI In 1B respectively. When you switch to group 2, the display connected to “Monitor A port” and “Monitor B port” will output video from HDMI In 2A and HDMI In 2B respectively.
3. You can press the front switch button or use your keyboard hotkey for both HDMI and USB signal switching.
USB Mode
Notes:
1. You can also toggle the switch to “USB Mode”.
2. When using this mode, you must connect your two PC sources respectively to the “HDMI in 1A” port and the “HDMI in 2A” port. The KVM switch does not support matrix switching. “Monitor A” port can only output the source connected to the “HDMI in 1A” port. Likewise, “Monitor B” port can only output the source connected to the “HDMI in 2A port”.
3. You can press the front switch button or use your keyboard hotkey for USB signal switching. HDMI signal switching is not supported in this USB mode.
In the Box
- 1x Dual Monitor HDMI KVM Switch
- 4x HDMI 2.0 Cable (1.5m/5ft)
- 1x Power Adapter (DC 12V 3A)
- 1x AC Power Cord with US Pins
- 1x AC Power Cord with EU Pins
- 1x AC Power Cord with UK Pins
- 2x USB 3.0 Type-A to Type-B Cable (L=1.8m)
- 1x User Manual
Download User Manual (english)
Specifications
B2B Product - Designed for use in a commercial environment.