NTI 4x4 DVI Video Matrix Switch with Audio



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The VEEMUX¨ DVI Video Matrix Switch routes video from 4 single link digital DVI video sources (computers, DVD players, satellite receivers, etc.) to 4 displays (LCD monitors, Plasma screens, DLP HDTVs, projectors, etc.) and stereo audio speakers.


  • Configure and control the switch through Ethernet, serial port, front panel buttons, or IR remote.
  • Supports DVI-D interface for crisp and clear video quality on flat panel displays.
  • Available with optional stereo audio.
  • Supports HDTV resolutions up to 1080p and computer resolutions up to 1920x1200 (WUXGA).
  • Passes HDMI audio and video signal through DVI-I port.
    • Transmit audio and video over a single cable with the DVI-HD-xx-MM male DVI-D to male HDMI cable.
  • Meets the electrostatic discharge (ESD) immunity requirements of IEC/EN 61000-4-2.
  • Each output provides one video signal and one stereo audio signal .
  • Each input can be independently connected to any or all outputs.
    • HDCP is supported when connecting any one input to any one output (4x4 and 8x8 models only).
    • HDCP is not supported when connecting one input to multiple outputs.
  • EDID learning for the support of any DVI display device.
  • Built-in default EDID configuration tables for both PC and MAC.
    • Dual default EDID configuration tables: high resolution without audio and TV resolution with audio.


NTI SM-4x4-DVIA-LCD Specifications

Height 1.75 in. (4.44 cm)
Width 19 in. (48.26 cm.)
Depth10 in. (25.4 cm.)
Video Input 
ConnectorsFemale DVI-I
Signal TypeSingle link digital DVI
CompatibilityComputers, HDTV video sources, satellite receivers, DVD players (with DVI video)
Platform SupportWindows 2000/2003/2008, Solaris, Linux, Free BSD and MAC OS 9/10
Video Output 
ConnectorFemale DVI-I
Signal TypeSingle link digital DVI
HDTV Resolutions1080p
Computer Resolutions1920x1200 (WUXGA)
Video Bandwidth1.65 Gbps
Audio Input 
 3.5 mm stereo audio jacks
Impedance10K Ohm
Maximum Input Level1 Vrms or 2.5 Vp-p
Audio Output 
 3.5 stereo audio jacks
 Drives 8-Ohm speakers
Unbalanced gainUser defined
Frequency Response20Hz to 20 kHz, +/-0.5 dB
Total harmonic distortion + noise0.01% at 1 kHz
Gain Adjustment-20 dB to +10 dB in 2 dB steps
 200 mW RMS of continuious power per output
Power100 to 240 VAC at 50/60 Hz via IEC Connector