Audio-Technica U851RWB Cardioid Condenser Boundary Microphone with Integral Power Module, Phantom Power Only, White

SKU: ATU851RWB MFR: U851RWB
Earn VIP Reward Points

Key Features

  • Capture pristine audio with this cardioid condenser boundary microphone, perfect for clear recordings.
  • Enjoy a wide 20-20,000 Hz frequency response, ensuring detailed sound in every application.
  • The U851RWB's integral power module simplifies setup with phantom power, enhancing convenience.
  • Achieve superior clarity with a low-noise design, boasting a signal-to-noise ratio of 68 dB.
  • Use this boundary microphone for conferences, presentations, and stage performances needing clear audio.
  • Its compact & durable build ensures reliable performance, making it ideal for diverse recording scenarios.
See More Product Details
Special Order?Estimated to Ship: 09/08/2025
Free Shipping

See Options

1

Protect your gear with Adorama Protect.* Learn more

1 Year

$29.99

2 Year

$49.99

3 Year

$59.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Audio-Technica U851RWB Specifications

  • Color

    White

  • Element

    Fixed-charge back plate, permanently polarized condenser

  • Polar Pattern

    Cardioid

  • Frequency Response

    20-20,000 Hz

  • Low Frequency Roll-Off

    80 Hz, 18 dB/octave

  • Open Circuit Sensitivity

    -34 dB (19.9 mV) re 1V at 1 Pa

  • Impedance

    50 ohms

  • Maximum Input Sound Level

    134 dB SPL, 1 kHz at 1% T.H.D.

  • Dynamic Range (Typical)

    108 dB, 1 kHz at Max SPL

  • Signal-To-Noise Ratio

    68 dB, 1 kHz at 1 Pa, A-weighted

  • Phantom Power Requirements

    11-52V DC, 4.4 mA

  • Switch

    Flat, roll-off

  • Output Connector

    Microphone: TB3M-type
    Cable: 3-pin XLRM-type

  • Cable (L x Diameter)

    25.0' x 0.13" (7.6m x 3.2mm), 2-conductor, shielded cable with TA3F and XLRM connectors

  • Optional Interchangeable Elements

    UE-H hypercardioid (100 Degree )
    UE-O omnidirectional (360 Degree )

  • Accessory Furnished

    Soft protective pouch

  • Dimensions (H x W x D)

    0.91 x 3.30 x 4.25" (23.0 x 83.9 x 108mm)

  • Weight

    8.9 oz (253g)

  • UPC Code

    4961310146696

About Audio-Technica U851RWB

Because capturing crystal-clear audio is paramount in professional settings, the U851RWB Cardioid Condenser Boundary Microphone is an exceptional choice. This phantom-powered microphone is specifically designed for surface-mount applications, excelling in high-quality sound reinforcement, professional recording, television broadcasting, and conferencing.

The U851RWB microphone offers superior speech intelligibility and transparent sound quality, ensuring every word is heard with clarity and precision. Its advanced technology features include a PivotPoint rotating output connector for flexible positioning, a UniSteep filter for improved sound isolation, and UniGuard RFI-shielding technology to protect against radio frequency interference.

This boundary microphone is adaptable, accepting interchangeable condenser elements. These are available separately in hypercardioid and omnidirectional polar patterns, allowing you to customize your sound pickup to suit various demanding situations.

Constructed with a heavy die-cast case and silicon foam bottom pads, the U851RWB microphone minimizes the coupling of surface vibration, ensuring a clean, undistorted sound. Its self-contained electronics eliminate the need for an external power module, making it a convenient, all-in-one solution. For added security, threaded inserts on the bottom of the microphone allow for secure mounting with screws.

In essence, the U851RWB Cardioid Condenser Boundary Microphone with Integral Power Module offers a comprehensive solution for capturing high-quality, professional-grade audio in any setting.

Audio-Technica U851RWB Features

  • Cardioid condenser boundary microphone
  • Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
  • Superior off-axis rejection for maximum gain before feedback
  • PivotPoint rotating output connector allows cable to exit from either the rear or the bottom of the microphone
  • Small-diameter UniPoint element near boundary eliminates phase distortion and delivers clear, high-output performance
  • Available interchangeable elements permit angle of acceptance from 100 Degree to 360 Degree
  • UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • Self-contained electronics eliminate need for external power module
  • 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
  • Threaded inserts on bottom of microphone allow it to be mounted with screws for increased security
  • Available in two colors: black (U851Rb) and white (U851RWb)

Warranty Information

This product has a limited warranty of 24 months.

Product Documents

User Manual

Key Features

  • Capture pristine audio with this cardioid condenser boundary microphone, perfect for clear recordings.
  • Enjoy a wide 20-20,000 Hz frequency response, ensuring detailed sound in every application.
  • The U851RWB's integral power module simplifies setup with phantom power, enhancing convenience.
  • Achieve superior clarity with a low-noise design, boasting a signal-to-noise ratio of 68 dB.
  • Use this boundary microphone for conferences, presentations, and stage performances needing clear audio.
  • Its compact & durable build ensures reliable performance, making it ideal for diverse recording scenarios.

What's in the box:

  • U851RWB Cardioid Condenser Boundary Microphone (White)
  • TA3F to XLR Male Microphone Cable (25')
  • Soft Protective Pouch
  • Audio-Technica 2 Year Limited Warranty