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Audio Technica U891RCX - Cardioid Condenser Boundary Microphone with Local or Remote Switching Phantom Power Only

£270.00 £225.00 (ex. vat)

Audio Technica U891RCx

  • Audio Technica U891RCx

Audio Technica U891RCx

The Audio Technica U891RCx is a wide range condenser microphone with a cardioid polar pattern, and is equipped with local or remote switching options. For flexible control in conference and boardroom installations, the unit's external contact closure ability allows a user to trigger an external device - a camera, for instance - from a switch on the microphone.

Another ease-of-use feature: the microphone's electronic on-off switch can be set to three operating modes: touch-on/touch-off, press to talk, and press to mute. The mic is also equipped an 80 Hz low-cut UniSteep® filter to reduce pickup of low-frequency ambient noise. Its red LED status indicator can be controlled remotely. UniGuard® innovations offer unsurpassed immunity from radio frequency interference; interchangeable elements are available in cardioid, hypercardioid and omnidirectional polar patterns; a unique rotating PivotPoint® connector changes the cable exit point - no tools required. It requires 11 to 52V DC phantom power, which operates the microphone and switch circuitry.

Audio Technica U891RCx Features

  • Designed for surface-mount applications such as high-quality sound reinforcement, conferencing, distance learning and other demanding sound pickup situations
  • Ultra-quiet electronic switch can be set to any of three operating modes: "touch-on/touch-off," "touch-to-talk" and "touch-to-mute"
  • External contact closure capability permits control of remote devices from microphone switch
  • External LED control allows for accurate depiction of the live status of the microphone
  • PivotPoint® rotating output connector allows cable to exit from either the rear or the bottom of the microphone
  • Small-diameter UniPoint® capsule near boundary eliminates phase distortion and delivers clear, high-output performance
  • UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone
  • Low-profile design with low-reflectance black finish for minimum visibility


  • Element: Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern: Half-cardioid (cardioid in hemisphere above mounting surface)
  • Frequency Response: 30-20,000 Hz
  • Low Frequency Roll Off: 80 Hz, 18 dB/octave
  • Open Circuit Sensitivity: 34 dB (19.9 mV) re 1V at 1 Pa
  • Impedance: 200 ohms
  • Maximum Input Sound Level: 130 dB SPL, 1 kHz at 1% T.H.D.
  • Dynamic Range: 104 dB, 1 kHz at Max SPL
  • Signal to Noise Ratio: 68 dB, 1 kHz at 1 Pa
  • Phantom Power Requirements: 11-52V DC, 4 mA typical
  • Weight: 266g
  • Dimensions: 108.0mm long, 84.0mm maximum width, 23.0mm height
  • Output Connector: TB5M-type
  • Cable: 7.6m long, 3.2mm diameter, 5-conductor shielded cable (2 conductors under shield; 3 control wires outside shield); TA5F-type connector at microphone end, output end stripped and tinned for connection to electronic device

View on the Audio Technica Europe Website.

Manufacturer Audio Technica
Model U891RCX
GTIN 0042005139187

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Audio Technica
Audio Technica
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