4-Port DVI USB KVM Switch w/ Audio, Mic & Hub
4-Port DVI USB KVM Switch w/ Audio, Mic & Hub

4-Port DVI USB KVM Switch w/ Audio, Mic & Hub


The ABT204A is a 4-port DVI USB KVM Switch with Audio and Microphone switching function. The ABT204A features the latest True Transparent USB (TTU) Emulation Technology for advanced types of keyboards and mice. It also supports all time DDC emulation for ultimate video compatibility with all graphic display scenarios with the latest operating system such as Windows 7 and Mac OS X. It can help you control, boot and reboot 4 computers using only one set of keyboard, mouse, monitor display and a set of microphone and speakers/headphones.


-   4-port DVI USB KVM switch with audio and microphone switching and 2 x USB 2.0 hub ports

-   True Transparent USB (TTU) Emulation technology with an integrated ASIC

-   Full driver support for all types of USB keyboard and mouse

-   All time DDC emulation for video compatibility and stability under intensive switching

-   TMDS and HDCP specifications complaint

-   DVI Digital video resolution 1920 x 1200 / Analog video resolution 2048 x 1536

-   Independent/Simultaneous PC / USB hub / Audio & Mic channel selection

-   Support for Windows 98/SE/ME/2000/XP/Vista/7 and Linux, Mac OS and Netware.

-   Switching computer/Hub port control by front-panel push buttons and keyboard hotkeys

-   Low power consumption using ASIC



Model No. ABT204A
Product Description 4-Port DVI USB KVM Switch w/ Audio, Mic & Hub
Number of Ports 4
Number of Console 1
Console Keyboard Connector USB Type A Female 
Console Mouse Connector USB Type A Female
Console Video Connector DVI-I Female
Console Audio/Mic Connector 2 x 3.5mm Audio/Mic Jack Female
Console USB Hub Ports 2 x USB 2.0 Type A Female
PC Keyboard Connector 4 x USB Type B Female 
PC Mouse Connector Via PC Keyboard Connector 
PC Video Connector 4 x DVI-I Female 
PC Audio/Mic Connector 8 x 3.5mm Audio/Mic Jack Female 
PC selection Push Button / Hotkeys 
PC port LED 4 (Green) 
Hub port LED 4 (Red) 
Analog Display Resolution 2048 x 1536 
Digital Display Resolution 1920 x 1200 
Keyboard & Mouse Emulation Yes (TTU) 
Auto Scan Delay Time 5~100 sec 
Operation Temperature 0 ~ 40°C 
Storage Temperature -20 ~ 60°C 
Humidity 0~90% RH, Non-Condensing 
Power type 2.1mm Power Jack 
Power Adapter DC 9V 
Weight 1Kg 
Dimension(L×W×H) 220 x 105 x 45mm 
Safety / Emission FCC, CE