Kramer 8x2 Balanced Stereo Audio Matrix Switcher

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The VP-727A-BA is a high-performance audio matrix switcher for balanced stereo audio signals on XLR connectors. The unit switches balanced stereo audio to the selected preview and program outputs.

  • Standalone or VP-747 Companion Switcher.
  • Inputs - 8 balanced stereo audio on XLR F connectors.
  • Outputs - 1 preview output on dual XLR (balanced stereo audio) connectors and 2 program outputs on dual XLR (balanced stereo audio) connectors, and a single RCA (S/PDIF) connector.
  • Headphone Output - Program or preview (selectable).
  • Level Control - Each input and output.
  • Take Button - For executing preview to program switching (with the option to either CUT or FADE (mix) between the audio sources).
  • Front Panel Lockout.
  • Preview & Program Mute Buttons.
  • Audio-Follow-Video - When connected to the VP-747.
  • ProcAmp Controls - Base, treble, balance & delay (per input).
  • Flexible Control - Front panel, RS-232 and RS-485 (to connect to VP-747 and VP-727T T-Bar controller).
  • Worldwide Power Supply - 100-240V AC.
  • Standard 19” Rack Mount Size - 2U. Rack “ears” included.


INPUTS: 8 balanced stereo audio, +4dBm/50kohm on XLR (F) connectors.
OUTPUTS: 1 program and 1 preview balanced stereo audio, +4dBm/50kohm on XLR (M) connectors; 1 headphone on a 6.5mm jack; 1 program S/PDIF on an RCA connector.
BANDWIDTH (-3dB): >22kHz.
S/N RATIO: >85dB.
CROSSTALK @1kHz (all hostile): Program: <-88dB; Preview: <-92dB; Balanced: <-88dB; Phones (Preview): <-82dB; Phones (Program): <-80dB.
COUPLING: AC, input and output.
AUDIO THD + NOISE: Program: 0.02%; Preview: 0.002%; Program phones: 0.034%; Preview phones: 0.018%.
AUDIO 2nd HARMONIC: Preview phones: 0.03%; Program phones: 0.04%; Program: 0.03%; Preview: 0.04%; Program balanced: 0.04%.
CONTROLS: Preview level: <-72dB to 62dB in and out; Program level: <-73dB to 45dB in and out; Program bass: 0dB to 27dB @100kHz;P rogram treble: 0dB to 11dB @10kHz; Program balance: -18dB to 0dB; Program balanced (+/-) level: <-80dB to 47dB; Phones level (preview and program level): <-80dB to 57dB.
INDICATORS: 3-character display on the front panel.
POWER SOURCE: 100-240V AC, 50/60Hz; 10VA.
DIMENSIONS: 19" x 7" x 2U W, D, H, rack mountable.
WEIGHT: 3.5kg (7.7lbs) approx.
ACCESSORIES: Power cord, null-modem adapter, Windows®-based Kramer control software, rack "ears".

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