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Audio-Technica U851RO Condenser Boundary Microphone

B&H # AUU851RO MFR # U851RO
Audio-Technica U851RO Condenser Boundary Microphone


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Product Highlights

  • Omnidirectional Polar Pattern
  • Surface Mount & Speech Capturing
  • PivotPoint Rotating Connector
  • UniGuard RFI Shielding

You Pay: $239.00

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The Audio-Technica U851RO Condenser Boundary Microphone is intended for surface mounted signal capturing and is suited for conferences, interviews, professional recording, broadcast applications and more. The U851RO features an omnidirectional capsule that captures audio at 360°, and its pivoting output connector is ideal for vertical or horizontal cable connections. The U851RO features Audio-Technica's UniGuard RFI shielding, making it impervious to noise caused by RF signals.

Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
Low-profile element provides uniform omnidirectional polar pattern with 360º acceptance angle
PivotPoint rotating output connector allows cable to exit from either the rear or the bottom of the microphone
UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
UniSteep filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
Self-contained electronics eliminate need for external power module
Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
Heavy die-cast case and non-slip silicone foam bottom pads minimize coupling of surface vibration to the microphone
Low-profile design with low-reflectance finish for minimum visibility
Transducer Fixed-charge back plate, permanently polarized condenser
Polar Pattern Omnidirectional in hemisphere above mounting surface
Frequency Response 30Hz - 20kHz
Dynamic Range (Typical) 111dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 73dB, 1 kHz at 1 Pa
Maximum Input Sound Level 132dB SPL, 1 kHz at 1% T.H.D.
Power Requirements 11-52V DC, 4 mA typical
Output Impedance 200 ohms
Output Connectors TB3M-type
Low Frequency Roll-Off 80 Hz, 18 dB/octave
Dimensions 4.25 x 3.31 x 0.91" (108 x 84 x 23mm)
Cable: 25' (7.6m) long, 0.13' (3.2mm) diameter, 2-conductor, shielded cable with TA3F-type and XLRM-type connectors
Weight 262g (9.2 oz)
Audio-Technica U851RO Condenser Boundary Microphone
  • Soft Protective Pouch
  • 1 Year Warranty

    by PowerReviews
    Audio-TechnicaU851RO Condenser Boundary Microphone

    (based on 1 review)

    Ratings Distribution

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    • 1 Stars



    Reviewed by 1 customer

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    I would buy again.

    By mike

    from Grand Junction, CO

    About Me Experienced

    Verified Buyer


    • Clear Sound
    • Compact
    • Durable
    • Easy To Use
    • Lightweight


      Best Uses

      • Professional Recording

      Comments about Audio-Technica U851RO Condenser Boundary Microphone:

      Legal video. Primarily depositions. Great sound and pickup. Perfect size.
      Expensive, but perfect example of, you get what you pay for.

      Share this review


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