Kramer 2x1 Component Video and S/PDIF Audio Mechanical Switcher

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The VS-21A is a high-performance switcher for component video and digital audio signals on RCA connectors. It switches any one of two component video and S/PDIF audio signals to a single component video and S/PDIF audio output.

  • High Bandwidth - 700MHz (-3dB).
  • Mechanical (Passive) Switching - No power required.
  • HDTV Compatible.
  • Desktop Size - Compact size. 2 units can be rack mounted side-by-side in a 1U rack space with the optional RK-81 adapter.
Rack Adapters: 19” (1U): RK-81


INPUT: 2 sets of component video (YUV) and S/PDIF or mono unbalanced audio on RCA (F) connectors.
OUTPUTS: 1 set of component video (YUV) and S/PDIF or mono unbalanced audio on RCA (F) connectors.
BANDWIDTH (-3dB): 700MHz.
DIFF. GAIN: 0.01%.
DIFF. PHASE: 0.01Deg.
K-FACTOR: <0.05%.
VIDEO CROSSTALK (all hostile): 51dB, @5MHz.
CONTROLS: Channel selector via push button on front panel.
SWITCHING SYSTEM: Mechanical, break-before-make.
COUPLING: Video: DC; Audio: DC.
POWER SOURCE: Not fed - mechanical.
DIMENSIONS: 18.8cm x 10.2cm x 4.4cm (7.4" x 4" x 1.7") W, D, H.
WEIGHT: 0.64kg (1.4lbs) approx.
OPTIONS: RK-81 19" rack adapter.

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