Audio-Technica AT831B Cardioid Condenser Lavalier Microphone
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Audio-Technica AT831B Cardioid Condenser Lavalier Microphone

SKU: ATAT831B MFR: AT831B
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Key Features

  • Capture crystal-clear audio with this Audio-Technica cardioid lavalier microphone.
  • Excellent sound quality: Perfect lavalier mic for interviews, presentations, and film.
  • Minimize background noise: Cardioid polar pattern reduces unwanted ambient sounds effectively.
  • Enjoy versatile use: Includes instrument adapter for seamless instrument miking sessions.
  • Long-lasting battery life: Get 1200 hours from a single AA, ensuring reliability.
  • Durable and discreet: Compact design and robust build for reliable performance anywhere.
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Shopper : Why Did You Choose This?leonard C : repeat purchase

Reviews about this item

Review Summary

2018-08-10T09:43:25

Rated 5 out of 5

Excellent microphone, great price

I have been looking for a directional lav to help with room noise problems for TV recording. This works great.

Kenneth G.

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Audio-Technica AT831B Specifications

  • Element

    Fixed-charge back plate, permanently polarized condenser

  • Polar pattern

    Cardioid

  • Frequency response

    40-16,000 Hz

  • Low frequency roll-off

    80 Hz, 18 dB/octave

  • Open circuit sensitivity

    Phantom: -44 dB (6.3 mV) re 1V at 1 Pa
    Battery: -46 dB (5.0 mV) re 1V at 1 Pa

  • Impedance

    Phantom: 200 ohms
    Battery: 270 ohms

  • Maximum input sound level

    Phantom: 135 dB SPL, 1 kHz at 1% T.H.D.
    Battery: 121 dB SPL, 1 kHz at 1% T.H.D.

  • Dynamic range (typical)

    Phantom: 106 dB, 1 kHz at Max SPL
    Battery: 92 dB, 1 kHz at Max SPL

  • Signal-to-noise ratio

    65 dB, 1 kHz at 1 Pa

  • Phantom power requirements

    11-52V DC, 2 mA typical

  • Battery type

    1.5V AA/UM3

  • Battery current / life

    0.4 mA / 1200 hours typical (alkaline)

  • Switch

    Off, on-flat, on-roll-off

  • Output connector

    Power module: Integral 3-pin XLRM-type

  • Cable Length

    1.8m / 6' (permanently attached to microphone), 2.6mm / 0.10" (Diameter), 2-conductor, shielded cable with TA3Ftype connector

  • Audio-Technica case style

    M1

  • Dimensions

    Microphone: 25.0x10.2mm / 0.98x0.40" (LxDiameter)
    Power Module: 84x63.0x22.0mm / 3.30x2.48x0.86" (LxWxD)

  • Weight

    Microphone: 2.8g / 0.09oz
    Power module: 139g / 4.9oz

  • UPC Code

    4961310098674

7 Accessories for Audio-Technica AT831B Cardioid Condenser Lavalier Microphone

  • All Accessories (7)
  • Windscreens (2)
  • Windjammers (1)
  • Microphone Accessories (3)
  • Cables & Adapters (1)
Rycote 065514 Lavalier Windjammer for Overcover, Black
Rycote 065514 Lavalier Windjammer for Overcover, Black
$27.99
Rycote 065516 Lavalier Windjammer for Overcover, White
Rycote 065516 Lavalier Windjammer for Overcover, White
$27.99
Rycote 065515 Lavalier Windjammer for Overcover, Grey
Rycote 065515 Lavalier Windjammer for Overcover, Grey
$27.99
Audio-Technica AT8411 Lavalier Microphone Clothing Clip
Audio-Technica AT8411 Lavalier Microphone Clothing Clip
$18.00
Audio-Technica AT8419 Lavalier Microphone Clip for 10mm Mics
Audio-Technica AT8419 Lavalier Microphone Clip for 10mm Mics
$19.00
Audio-Technica AT8418 UniMount Microphone Instrument Mount
Audio-Technica AT8418 UniMount Microphone Instrument Mount
$58.00
Audio-Technica AT8539 Phantom Power Supply
Audio-Technica AT8539 Phantom Power Supply
$129.00
Models
Audio-Technica AT831B Cardioid Condenser Lavalier Microphone

Audio-Technica AT831B Cardioid Condenser Lavalier Microphone

SKU: ATAT831B

MFR: AT831B

$249.00

In Stock

Audio-Technica ATM710 Cardioid Condenser Handheld Microphone

Audio-Technica ATM710 Cardioid Condenser Handheld Microphone

SKU: ATATM710

MFR: ATM710

$259.00

In Stock

Audio-Technica U841R Omnidirectional Condenser Boundary Microphone

Audio-Technica U841R Omnidirectional Condenser Boundary Microphone

SKU: ATU841R

MFR: U841R

$239.00

Special Order

Generally ships in 7-14 days, subject to availability

Polar PatternCardioidCardioidOmnidirectional
ConnectorXLRXLRXLR
SeriesBroadcast & ProductionArtist Series-
Mute Switch--No

About Audio-Technica AT831B

FEATURED REVIEWS

Excellent microphone, great price

By Kenneth G.

I have been looking for a directional lav to help with room noise problems for TV recording. This works great.

Audio-Technica AT831B Features

  • Miniature Capsule: The miniature, unobtrusive capsule allows for easy concealment underneath clothing
  • Cardioid Polar Pattern: The cardioid polar pattern is effective in minimizing audio signal at the off-axis sections of the capsule. This provides high gain-before-feedback response while using nearby monitors and speakers
  • High Sensitivity: The frequency and sensitivity response of the AT831 result in transparent, pristine audio signal reproduction with low noise floor

Warranty Information

This product has a limited warranty of 60 months.

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Key Features

  • Capture crystal-clear audio with this Audio-Technica cardioid lavalier microphone.
  • Excellent sound quality: Perfect lavalier mic for interviews, presentations, and film.
  • Minimize background noise: Cardioid polar pattern reduces unwanted ambient sounds effectively.
  • Enjoy versatile use: Includes instrument adapter for seamless instrument miking sessions.
  • Long-lasting battery life: Get 1200 hours from a single AA, ensuring reliability.
  • Durable and discreet: Compact design and robust build for reliable performance anywhere.

What's in the box:

  • Audio-Technica AT831B Cardioid Condenser Lavalier Microphone
  • AT8417 Clothing Clip
  • AT8444 Instrument Adapter
  • AT8531 Detachable Power Module
  • AT8116 Foam Windscreen
  • AA Battery
  • Protective Carrying Case
  • Audio-Technica 5 Years Limited Warranty