SKU: 53719173766

Smart-AVI DVN-4Duo 4-Port Dual Display DVI-D KVM Switch with USB 2.0 Sharing

Sale price$30107.25 Regular price$33452.50
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Description

Smart-AVI DVN-4Duo 4-Port Dual Display DVI-D KVM Switch with USB 2.0 SharingThe DVN 4Duo 4 Port Dual Display DVI D KVM Switch from Smart AVI allows the user to control up to 4 computers using a dual DVI D monitor setup and a single USB keyboard, mouse, and set of stereo speakers. The USB keyboard emulation feature allows for error free booting and provides accurate and quick source switching by means of keyboard hotkeys. This KVM Switch supports 1920 x 1200 (WUXGA) resolution with zero pixel loss using TMDS signal correction.

The DVN-4Duo 4-Port Dual Display DVI-D KVM Switch from Smart-AVI allows the user to control up to 4 computers using a dual DVI-D monitor setup and a single USB keyboard, mouse, and set of stereo speakers. The USB keyboard emulation feature allows for error-free booting and provides accurate and quick source switching by means of keyboard hotkeys. This KVM Switch supports 1920 x 1200 (WUXGA) resolution with zero pixel loss using TMDS signal correction. The USB 2.0 sharing feature allows the user to access USB devices such as cameras and flash memory drives without having to plug them directly into the remote computer. In addition, the KVM switch supports independent switching of KVM, USB peripherals, and USB/audio ports. This means you can listen to audio from one computer while accessing the hard drive of another computer. The DVN-4Duo 4-Port Dual Display DVI-D KVM Switch is compatible with major operating systems including Windows, Linux, Mac OS, Unix, and SunOS.

Easy Source Switching

Simplified management of up to 4 computers with DVI-D, audio, and USB 2.0 outputs
The KVM switch can be controlled remotely using keyboard hotkeys or RS-232 communication channel commands, as well as directly using the easy-to-read front panel

EDID Learning and Programming

Effortless detection of DDC signals for attached devices
Helps optimize the resolution of the selected graphics card to properly display on the remote monitor
The DDC learning feature continues to replicate the right EDID for the computer to enable the display card to work effectively when unused ports are not selected

Full USB Keyboard and Mouse Emulation

Accurate and quick source switching by means of keyboard hotkeys
Emulation of keyboard and mouse for every attached computer through the USB cable
Complete keyboard emulation for error-free booting

Real-World Applications

Centralized access of multiple computers into one PC
USB 2.0 sharing feature allows using USB devices, which would not be possible with conventional KVM devices
USB flash drives or cameras can be accessed without having to plug them into a remote computer
Suitable solution for medical or industrial fields, where it may not be practical or safe to have one or more computers in the vicinity
Suitable for server collocation, digital signage, education, airports, dealer rooms, control rooms, audio / visual presentations, shopping centers, hotels / resorts, KVM switches

Flexible Control

Can be controlled by any external device or program supporting RS-232
Uses a simple protocol that enables easy integration with other devices
Hotkeys enable the user to switch and access all the functions of the KVM system
IR remote control (available separately) enables integration and control of the KVM switch
SMTCP-2 TCP/IP Converter (available separately) enables switching and controlling the KVM switch from virtually anywhere in the world using a LAN or WAN connection

Flexible Sharing

Connected computers can be controlled through independent switching of KVM, USB peripherals, and audio ports
Users can listen to audio from one computer while accessing the hard drive of another computer and scanning a document on the third computer
All connected devices can be switched to any one of the computer sources

Other Features

Compatible with all major operating systems including Windows, Linux, Mac OS, Unix, and SunOS
Supports high resolution 1920 x 1200 (WUXGA) @ 60 Hz
Universal DVI single link connectors
Zero pixel loss with TMDS signal correction
Supports all USB 2.0 devices including keyboard and mouse
Rack mountable in a standard 19" rack
Flash-upgradeable firmware
Front panel keys for selecting users and channels manually
Balanced stereo audio output
Designed and manufactured in USA
In the Box
Smart-AVI DVN-4Duo 4-Port Dual Display DVI-D KVM Switch with USB 2.0 Sharing
  • Power Adapter
  • Limited 1-Year Warranty
Video
Format DVI-D single link, DVI 1.0
Maximum Pixel Clock 165 MHz
Input Interface 8 x 29-pin DVI-D, 2 inputs per channel
Output Interface 2 x 29-pin DVI-D
Resolution Up to 1920 x 1200 @ 60 Hz
DDC 5 Vpp (TTL)
Input Equalization Automatic
Input Cable Length Up to 20.0' (6.1 m)
Output Cable Length Up to 20.0' (6.1 m)
Data Rate 1.65 Gb/s per color
Audio
Input Interface 4 x 3.5 mm stereo audio
Output Interface 1 x 3.5 mm stereo audio
Impedance 600 ?
Frequency Response 20 Hz to 20 kHz
Nominal Level 0 to 1.0 V
Common Mode Rejection at 60 dB
USB
Signal Type USB 2.0, 1.1, and 1.0 with internal hub
Input Interface 4 x USB type B
Output Interface 2 x USB 1.1 type A for KVM devices
2 x USB 2.0 type A transparent
Control
Front Panel Tactile switch, 2 x 20 character LCD display
RS-232 Via control @ 115200 bps
Hotkeys Via keyboard
IR RC5
General
Compatible Operating Systems Windows, Linux, Mac OS, SunOS, Unix
Power External 100 to 240 VAC / 5 VDC, 4 A @ 20 W
Approvals UL, CE, RoHS compliant
Temperature Operating: 32 to 131�F (0 to 55�C)
Storage: -4 to 185�F (-20 to 85�C)
Humidity Up to 95%
Emulation Keyboard and mouse
Dimensions (WxHxD) 12.5 x 2.5 x 6.4" (31.8 x 6.4 x 16.3 cm)
Weight 3.2 lb (1.5 kg)
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53719173766

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4.0 ★★★★★
Based on 12 reviews
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Product Reviews
C
Verified Purchase
CrankyToday
Draper, US
★★★★★ 5
Works well but pay attention **REVISED**
The device has worked well for me. However potential buyers should note that the 2nd USB C port is reserved for power input from a separately purchased power supply. So the device provides only a single USB C port for attaching devices. I use the device on power from my own computer. So undocking my computer requires some careful steps in the correct sequence: (1) eject all external drives; (2) power down the external display; (3) unplug Anker from computer; (4) remove power from the computer. The device comes at a great price, though, so excellent value. *REVISION* After four months of use, the HDMI port seemed to fail--the monitor was indicating that it was not connected. I wrote to Anker support and received a reply within two hours. The reply told me how to reset the docking station. It worked. Kudoes to Anker Support!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2024
C
Verified Purchase
Chris
Massapequa, US
★★★★★ 5
Quality multi display hub
Works as intended, good value for the money and reasonably sized. I am currently running two 4K HDMI monitors on it without an issue. Ready to go out of the box and has a sturdy design, would recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
T
Verified Purchase
TAP
Lexington, US
★★★★★ 4
Anker support comes through
Update: Anker support contacted me and provided a new unit. On this one, the video works fine, both via HDMI and DisplayPort. I'm much happier now that the unit, which I do like, works properly. There is still one video-related quirk that can be annoying, though, if you often unplug the external monitor from the hub but leave the hub connected to the computer. When I unplug the external monitor from the hub, the hub doesn't tell the computer that the monitor is no longer connected (the same thing happened with the original faulty unit). Since the external monitor is my primary monitor when connected, this leads to an irritating set of steps ending up with disconnecting the hub. I reported this issue to Anker support and they forwarded it to their engineering group. Initial review: I like the form factor and the many connection options. They all work fine EXCEPT that the video (whether DisplayPort or HDMI) keeps dropping out. The computer (MacBook Pro M1 14" running MacOS 13.0.1) thinks the external monitor is there, but nothing shows on the screen for a few seconds, then it comes back on, then off again. Anker support says to try updating the firmware, but to do that requires a Windows computer with a USB-C port. I do not have access to such a machine, so I'm stuck. Since one of the primary reasons I want a hub is to handle the video, I have to return the unit. This is a real disappointment since I otherwise have been very happy with Anker products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2022
S
Verified Purchase
SeedyROM
Battle Creek, US
★★★★★ 5
Incredible Quality, Incredible Results!!
AMAZING!! I use my Samsung Z Fold with a Maono Podcast Soundboard for podcasting. Having the phone charge from the soundboard power passthrough was inadequate to keep the phone charged, and generated "noise" in the path. I got the Anker 565 USB-C hub, and routed the power and signal through the Anker hub. WOW!! My phone remains fully charged throughout the podcast, there is ZERO "noise" in the signal, and I can actually do more than ever expected! The quality of Anker products has been proven with me Over and Over with every single product I have purchased. From high-end 240w USB-C cords, to Power Banks, Power Blocks, Bluetooth Earbuds & Headphones, across the board; I have never been disappointed! I highly recommend Anker, and specifically the Anker 565 USB-C hub!!
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Reviewed in the United States on November 8, 2025
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Verified Purchase
Wary one
Belleville, US
★★★★★ 5
Versatile with all the ports you’re looking for.
Compact and really expands your options. I was using one of the ports on the MacBook Pro M1 for a second display and the other for an external drive and then switching back and forth with the charger. This device does all that and only uses one of the ports. Plus there are multiple USB OLD STYLE still available. No external power appears to be necessary, although since I use the Mac power supply in the dedicated power in port I’d think there’d be no issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026

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