Audio-Technica AT831B

Miniature cardioid condenser lavalier/instrument microphone (battery/phantom)

OUR PART #: AT831B Write the First Review.

Our Price: $199.00
  • Clip-on lavalier mic also excels in acoustic guitar applications
  • Provides crisp, full-sounding voice and instrument pickup
  • Operates on battery or phantom power
  • 6' (1.8 m) cable permanently attached between microphone and power module
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The Audio-Technica AT831B is specifically designed to solve problems in professional video and broadcast applications. The AT831B's specially tailored response assures crisp, natural voice quality in a small, unobtrusive package, while the cardioid pickup pattern reduces ambient noise pickup for improved performance sound isolation. Powered by a single 1.5V "AA" type battery, or by 9-48V phantom power, with a cable to the belt module which also includes an on/off switch for use when battery powered.

Audio-Technica AT831B Features:

  • Clip-on lavalier mic also excels in acoustic guitar applications
  • Provides crisp, full-sounding voice and instrument pickup
  • Operates on battery or phantom power
  • 6' (1.8 m) cable permanently attached between microphone and power module

Audio-Technica AT831B Specifications:

  • Element: Condenser
  • Phantom Power Requirements: 9 - 52V, 2 mA typical
  • Polar Pattern: Cardioid
  • Battery Type: 1.5V AA/UM3
  • Frequency Response: 40 Hz - 20 kHz
  • Battery Current/Life: 1 mA/1000 hours typical
  • Open Circuit Sensitivity: -45 dB (5.6 mV) re 1V at 1 Pa
  • Switch: Off; On-Flat, On-Roll-Off , Off battery only
  • Impedance: 200 ohms
  • Low-frequency Roll-off: 150 Hz, 6 dB per octave
  • Maximum Input Sound Level: 126 dB SPL, 1 kHz at 1% T.H.D.
  • Weight: 0.1 oz (2.8 g)
  • Signal To Noise Ratio: 65 dB, 1 kHz at 1 Pa
  • Power Module: In-line
  • Dynamic Range (Typical): 97 dB, 1 kHz at Max. SPL
  • Output Connector: XLRM-type (power module)
  • Included Accessories:
    • AT8116 foam windscreen
    • AT8417 clothing clip
    • AT8444 instrument adapter
    • AT8530 power module (attached)
    • Battery
    • Protective Case
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