Kramer 20x1 Composite Video and Stereo Audio Switcher/Scanner

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The VS-120 is a high-performance switcher and scanner for composite video and unbalanced audio signals. When configured as a scanner, it cycles through selected inputs at pre-determined intervals.

  • Bandwidth - 25MHz (-3dB).
  • Dual Outputs - 2 composite video and unbalanced stereo audio.
  • Dual Mode - Configure as a 20x1 switcher or scanner.
  • Expandable - Cascade multiple units up to 200 inputs.
  • Vertical Interval Switching.
  • Control - Front panel switching & set up, RS-232 (K-Router™ Windows®-based Kramer software is included) & RS-485.
  • Standard 19” Rack Mount Size - 2U.


INPUTS: 20 Video 1Vpp/75ohm on BNC connectors; 20 unbalanced stereo audio, 1Vpp/50kohm on RCA connectors.
OUTPUTS: 1 video, 1Vpp/75ohm on 2 BNC connectors, parallel connected; 1 unbalanced stereo audio, 1Vpp/100ohm on 2x2 RCA connectors, parallel connected.
DIFF. GAIN: 1.3%.
K-FACTOR: <0.05%.
SWITCHING: Vertical interval.
DWELL TIME: 1sec to 60sec.
ERROR DETECTION: Sync detection.
CONTROL: 12-key keypad control, 17 push button setup controls, RS-232, RS-485.
INDICATORS: 4 7-segment front panel display LEDs, 20 status display LEDs.
POWER SOURCE: 230V AC, 50/60Hz (115V AC, USA) 6.7VA.
DIMENSIONS: 19" x 7" x 2U W, D, H, rack mountable.
WEIGHT: 4.1kg. (9.1lbs) approx.
ACCESSORIES: Power cord, Windows®-based Kramer control software, null-modem adapter.

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