Audio Technica U851RBO Omnidirectional Boundary Microphone

$509.00

  • Professional omnidirectional boundary microphone for conference rooms and boardrooms.
  • Captures clear speech from all directions for table-mounted conferencing applications.
  • PivotPoint® rotating connector enables flexible rear or bottom cable routing.
  • UniGuard® RFI shielding and 80 Hz low-cut filter help ensure clean audio.
  • Phantom-powered condenser design with low-profile housing for discreet installation.
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Description

Audio-Technica U851RBO Omnidirectional Boundary Microphone is a professional conference boundary microphone designed for boardrooms, meeting rooms, and AV installations. This omnidirectional boundary microphone captures clear speech from all directions, making it ideal for table-mounted conferencing, teleconferencing systems, sound reinforcement, broadcast, and recording applications.

The U851RBO condenser boundary microphone delivers excellent speech intelligibility and transparent audio quality for demanding environments. Its PivotPoint® rotating output connector allows flexible cable routing from either the rear or bottom for clean and secure installations on conference tables or podiums.

Built for reliable operation, this conference microphone features UniGuard® RFI-shielding to reduce interference from wireless devices and an 80 Hz UniSteep® low-cut filter to minimize low-frequency noise such as table vibrations and room rumble. The heavy die-cast housing with non-slip silicone base reduces surface noise while maintaining a low-profile appearance.

Phantom-powered operation and self-contained electronics eliminate the need for an external power module. Threaded mounting points allow permanent installation for added security, making the Audio-Technica U851RBO an excellent omnidirectional boundary microphone for conference rooms, government facilities, classrooms, broadcast studios, and corporate AV systems.


Key Features

• Professional omnidirectional boundary microphone for conference and boardroom applications

• Designed for sound reinforcement, recording, broadcast, television, and conferencing

• PivotPoint® rotating connector allows rear or bottom cable exit for flexible installation

• UniGuard® RFI shielding reduces interference from wireless devices

• 80 Hz UniSteep® low-cut filter reduces ambient and vibration noise

• Accepts interchangeable condenser elements for different pickup patterns (sold separately)

• Heavy die-cast housing with non-slip base minimizes surface vibration pickup

• Low-profile design with low-reflectance finish for discreet placement

• Phantom-powered condenser design with self-contained electronics


Specification

Microphone Type: Condenser boundary microphone (fixed-charge back plate, permanently polarized)

Polar Pattern: Omnidirectional

Frequency Response: 20 Hz – 20,000 Hz

Low-Frequency Roll-Off: 80 Hz, 18 dB/octave

Sensitivity: -31 dB (28.2 mV) re 1V at 1 Pa

Maximum Input Sound Level: 132 dB SPL (1 kHz at 1% T.H.D.)

Impedance: 50 ohms

Signal-to-Noise Ratio: 73 dB (1 kHz at 1 Pa, A-weighted)

Power: Phantom power requirements: 11 – 52V DC, 4.4 mA

Switches: Flat, roll-off

Output Connector: TB3M-type

Cable: 7.6 m long, 3.2 mm diameter, 2-conductor shielded cable with TA3F and 3-pin XLRM connectors

Dimensions: 23.0 mm (H) × 83.9 mm (W) × 108.0 mm (D)

Weight: 253 g