Key Features
Flexible switching for an uninterrupted multi-media experience across multi-platforms
Control and manage four computers using a single USB keyboard and mouse and monitor
Simultaneous and independent PC and Audio user-programmable switching
High 2048 x 1536 pixels VGA resolution
USB interface power supply
Easy switching between computers with keyboard hotkeys push button and software selection
At-a-glance LED display for easy monitoring of PC activity
True Plug-and-Play operation without any software installation or power supply
Windows-based switching software utility included

Product Information

Product Overview
The KVM-0421 4-Port USB KVM Switch with Audio from LevelOne offers users with an easy to install KVM switch that can manage four computers from a single monitor, keyboard and mouse. With audio support, users can connect a single set of speakers directly to the KVM switch and enjoy listening to music and watching movies from whichever computer without switching cables.

It allows users to access, control, boot and reboot four USB-enabled multimedia computers using a single USB keyboard, mouse and monitor and a speaker set and microphone.

Flexible Multimedia Feature
Users are now offered with flexible multimedia support. The KVM-0421 offers users with user-programmable simultaneous or independent PC and audio switching. This enables users to listen to music from one computer while simultaneously using the other computers for work or fun.

The KVM-0421 supports PC and Macintosh (MAC G3, G4, iMAC) platforms.

One Keyboard, Mouse and Monitor controlling Two Computers 
The LevelOne KVM-0421 connects four computer systems to a single USB keyboard, USB mouse and monitor. The 4-Port USB KVM Switch also provides audio support allowing users to connect the audio ports of each computer to the KVM switch.

The KVM-0421 is a Plug-and-Play KVM switch that requires no power supply and no additional software installation. Users simply connect the KVM switch to the USB mouse and keyboard and screen ports on each computer as well as the audio ports by using the included cables.

Easy to Switch between Computers
The KVM-0421 switches between computers either through the pushbuttons located on the switch or by using keyboard hot keys. The KVM switch includes a Windows® and Mac based utility allowing users to select and monitor active PCs from their desktop as well as to configure the keyboard hotkeys for easy switching between computers.

The KVM-0421 further supports hot-plugging for easy maintenance of computers without shutting down the KVM switch or the computer. The LED display offers an “at-a-glance” status display for easy computer activity assessment.

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