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4x8 VGA-Audio Matrix Switcher
4x8 VGA-Audio Matrix Switcher

MFG part #: SB-4148
Audio Video Amplifiers/Extenders/Switchers & Converters: VGA Switcher

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4x8 VGA-Audio Matrix Switcher

The SB-4148 is a high speed video bandwidth 310MHz, Maximum 380Mhz VGA and Audio Matrix switcher product. Its one of the most innovative VGA/RGBHV and Stereo Audio (AR/AL) switching products on the market today. Support 19 inch ear mount pair part number #1U-440L and MRM is 19 inch Rack mount type. It has 4 individual inputs with 4 individual outputs. Because it is a matrix router any input may be routed to any output; or the same input may be routed to all outputs or any combination. It completely eliminates the need to constantly move around VGA and Stereo audio input and output cables. The matrix switcher is ideally suited for full HD high Definition LCD Television or Plasma display monitor applications. Control is provided via front push buttons with LED readout or IR remote controller. A RS232 interface is provided for interfacing with third party control. A Windows-based control software package is included to provide complete control of the SB-4148 from a PC.


  • Support 4 inputs to 8 outputs VGA-Audio Matrix Switcher
  • Support PC resolution VGA (640x480), SVGA (800x600), XGA (1024x768), SXGA (1280x1024), UXGA (1600x1200), WUXGA (1900x1200)
  • Video Bandwidth: 380MHz (-3db), 200 mVp-p
  • Excellent video (VGA-RGBHV) and Stereo Audio Performance
  • Audio Frequency Respond: 20Hz ~ 20KHz
  • Low all hostile crosstalk of -83dB@ 5 Mhz
  • Excellent ESD rating: exceeds 4000 V
  • Switching RGBHV in LCD monitors and plasma displays
  • Suitable for full HD high resolution Video player device and LCD/Plasma monitor displays
  • Direct selection and confirm via Front pushbuttons with LED readout
  • Infrared: IR remote control (38KHz) and IR Extender (Maximum 300M)
  • Support RS 232 interface control driver for 95/98/2000/xp - A windows basedá control software Driver packaged
  • RS 232 protocal list with manual attached
  • Enclosure type: Support 19 inch Ear & 1RU Rack mountable pane
  • Support lower power consumed full load under 550mA
  • Power supply offer a universal type 100~230 VAC switch


  • Type of switcher: 4 inputs to 8 outputs VGA Matrix Switcher
  • Video Bandwidth: 380 MHz (-3db 3200 mv p-pm 310MHz, (-3dB) 2V p-p R=325MHz, G=325MHz, B=325MHz, H=110MHz, V=110MHz
  • Audio Bandwidth:á 60MHz, (-3dB), Audio Right=60MHz, Audio lift=60MHz)
  • Audio Frequency Respond: 20Hz-20KHz
  • Gain Flatness: 90 Mhz, .1dB
  • Differential Gain Error: .01% , .1dB
  • Differential Phase Error: .02, .1dB (RL-150 )
  • Fast settling time: 15ns to 0.1%
  • All Hostile crosstalk: -84 db @ 5 MHz, -54 @ 50 MHz
  • Channel Crosstalk: -56 db @ 100 Mhz
  • Slew Rate: 1000Vlus, G=+1.2 V Step
  • High Off Isolation: -100dB@10MHz
  • Output current: 100mA
  • Low power CMOS: 550 mA Quiescent Current
  • Controls: IR Remote Controller (38KHz), Front panel selection buttons with LED readout and RS232 PC control
  • Dimensions (W.D.H.): 17.32" (440mm) x 7.80" (200mm) x 1.73" (44mm)
  • Net Weight (Unit Only) : About 2350 gwm (with metal case)
  • Power voltage input: DC 12V @2A

Package Includes:

  • SB-4148 4x8 Matrix Switcher
  • IR Remote Control
  • Instruction Manual
  • Rack Mounts
  • AC/DC Adapter: 12VDC, 1000mA~3000mA
  • RS-232 driver CD (Windows 98/2000/XP only)
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