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4-Port USB KVM Switch Kit with Audio

TK-409K (Version V1.1R)

  • 4-port KVM switch with VGA and USB connection to PCs and audio support
  • Device monitoring with Auto-Scan and audible feedback
  • High quality 2048x1536 resolution for a crisp display
  • Supports most operating systems and advance mouse designs
  • All required cabling included

The TK-409K (Version V1.1R) has been discontinued.  It has been replaced by the TK-409K (Version v1.2R). For a list of discontinued products, click here.

The 4-Port USB KVM Switch with Audio lets you manage 4 computers with just one set of keyboard, monitor, mouse, and a set of speakers/Microphone. The device comes with 4 sets of USB KVM and Audio cables, no additional equipment required. Its compact size makes it ideal for home and business environment.

RoHS Compliant
  • Use one keyboard, monitor, and mouse to control four computers
  • 4-port USB KVM Switch with 1 set of Microphone/Speaker port
  • 4 sets of VGA and 4 sets of Audio & Microphone Cables
  • Supports Microsoft IntelliMouse, Optical Mouse, Logitech Net Mouse and more
  • Supports super High Video Quality, up to 2048 x 1536 VGA resolution
  • Supports Windows 98(SE)/ME/2000/XP/2003 Server, Linux, and Mac OS
  • Multi-Platform supports for PCs, Macintosh G3/G4, iMac and Mac Mini
  • Auto-Scan & LED display for PCs monitoring
  • Hot-Key, push button and Windows-based client switching software
  • User definable hot-key (Windows Only)
  • Plug & Play and Hot-Pluggable
  • USB Interface Power method
  • 2-year limited warranty


4 Computers

USB Interface

USB 1.1 Specifications Compliant

KVM Cable

  • 4 Sets of 1.8M (6ft) KVM Cables
  • 4 Sets of Audio/MIC Cables
Cable Interface
(All Male)



  • 1 x VGA/SVGA HDB 15-pin
  • 1 x USB (Type A)
  • 1 X VGA/SVGA HDB 15-pin
  • 1 x 3.5mm audio in/out jack
  • 1 x 3.5mm microphone in/out jack
  • 1 x 3.5mm audio in/out jack
  • 1 x 3.5mm microphone in/out jack

Console Connectors

  • 1 x USB Keyboard (Type A)
  • 1 x USB Mouse (Type A)
  • 1 x VGA/SVGA HDB 15-pin
  • 1 x 3.5mm audio in/out jack
  • 1 x 3.5mm microphone in/out jack

Port Selection

Push Button, Hot-Key Commands or Windows-Based Client Switching Software

Auto-Scan Interval

10~ 60 seconds

Power Type

USB Interface Power


167 x 80 x 28mm (6.6 x 3.2 x 1.1in.)


185 g (6.5 oz.)


  • Operating: 0°C ~ 40°C (32°F ~104°F)
  • Storage: -20°C ~ 60°C (-4°F ~140°F)


0%~90%, Non-Condensing




Package Contents

  • TK-409K
  • Multi-Language User’s Guide
  • Utility CD-ROM
  • 4 sets of USB KVM Cables
  • 4 sets of KVM & Audio Cables