Kramer 4x4A
4x1 Audio Switcher and 1:4 Distribution Amplifier


The Kramer 4x4A is a high-performance switcher for unbalanced stereo audio signals. It switches any one of four input signals simultaneously to four identical outputs.


  • Audio production and duplication studios.
  • Audio field production applications.
  • Multimedia and Presentation audio switching and distribution.

Kramer 4x4A Features:

  • S/N Ratio - 90dB.
  • Level (Gain) Control.
  • Compact Kramer TOOLS™ - 3 units can be rack mounted side-by-side in a 1Urack space with the optional RK-3T rack adapter (sold separately).

Kramer 4x4A Specifications:

  • Inputs:  4 unbalanced stereo audio, 1Vpp/33kohmon 3.5mm mini jacks.
  • Outputs:  4 unbalanced stereo audio, 1Vpp/220ohm typical on 3.5mm mini jacks.
  • Max Output Level:  5.2Vpp (+7dBu).
  • Audio Bandwidth (-3db):  100kHz.
  • S/N Ratio:  90dB.
  • Crosstalk:  -79dB @1kHz.
  • Audio Thd + Noise:  0.018% @1kHz.
  • 2nd Harmonic:  0.002%.
  • Power Consumption:  12V DC, 20mA.
  • Dimensions (WxDxH):  4.7” x 2.95” x 0.98” (12cm x 7.5cm x 2.5cm).
  • Weight:  0.62 lbs. (0.28kg) approx.
  • Included Accessories:  Power supply, mounting bracket.
  • Options:  RK-3T 19” rack adapter (sold separately-contact your sales representative for more information).
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