Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated .

Sweetwater
4.5 (21)
$129.00
Amazon
4.7 (65)
$129.00
Reverb
$116.99 New
$95.95 Used
zZounds
5.0 (2)
$129.00
B&H
4.6 (19)
$129.00

Average Price: $123

Standard/Professional

$100

$401+

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Price History

Based on price data from 5 merchants for "Audio-Technica AT831CW Mini Condenser Lavalier Microphone". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Audio-Technica AT831CW Mini Condenser Lavalier Microphone is your discreet yet powerful ally, whether you're a professional musician, broadcaster, or public speaker. This compact cardioid microphone is a part of the renowned Uni-Point Series, celebrated for delivering pristine, clear sound without being visually intrusive. Whether you're amplifying an acoustic guitar or ensuring your voice carries with clarity during a presentation, the AT831CW excels in providing improved gain before feedback, a feature that sets it apart from conventional omnidirectional mics.

Designed for hands-free use, it's the ideal choice for those who need to move freely while maintaining excellent sound quality. Its superior background noise suppression ensures your audience hears nothing but the crisp, full-bodied sound of your voice or instrument. Plus, with its 55-inch cable and a 4-pin locking connector, it integrates seamlessly with Audio-Technica's wireless UniPak systems, offering versatility for a range of professional applications.

Whether you're performing on stage or delivering a keynote address, trust the AT831CW to keep your sound as precise and vibrant as your performance.

Key Features:

  • Cardioid polar pattern for improved gain before feedback
  • Crisp, full-sounding voice and instrument pickup
  • Designed specifically for Audio-Technica UniPak wireless systems
  • 55-inch cable with 4-pin locking connector
  • Excellent suppression of background noise
  • Includes clothing clip and foam windscreen

Product specs

Microphone Type Condenser
Compatibility Audio-Technica Gen 3 or earlier
Connector AT cW4
Polar Pattern Cardioid
Frequency Response 40Hz-18kHz
Max SPL 141dB
Signal to Noise Ratio 65dB
Cable Length 4.6'
Weight 0.1 oz.

FAQs

Is the Audio-Technica AT831CW Mini Condenser Lavalier Microphone compatible with all wireless systems?

The AT831CW is specifically designed for use with Audio-Technica's Gen 3 or earlier wireless systems, utilizing the AT cW4 connector. Ensure compatibility with your wireless system before purchasing.

What is the polar pattern of the Audio-Technica AT831CW, and how does it affect recording?

The AT831CW features a cardioid polar pattern, which provides excellent gain before feedback and effectively suppresses background noise, making it ideal for voice and instrument pickup in noisy environments.

How does the Audio-Technica AT831CW perform in terms of sound quality?

The AT831CW offers crisp, full-sounding voice and instrument pickup, with a frequency response of 40Hz-18kHz, ensuring detailed and accurate sound reproduction.

What is the maximum sound pressure level (SPL) the Audio-Technica AT831CW can handle?

The AT831CW can handle a maximum SPL of 141dB, making it suitable for capturing loud sound sources without distortion.

Does the Audio-Technica AT831CW require phantom power to operate?

Yes, the AT831CW operates on phantom power only, which is typically supplied by compatible wireless systems or audio interfaces.

Reviews

PROS

  • Swivel clip with detents for precise mic positioning

  • Thicker, more pliable cable reduces wear and tear

  • Improved sound presence and bass over original lapel mic

  • Reduces feedback issues with its added weight

  • Clear sound makes it suitable for speaking engagements

  • Compatible with ATW-T1001 Bodypack Transmitters

  • Perfect fit for uni-pak systems

  • Good value for the quality provided

CONS

  • Some units ship without the necessary clothing clip

  • Tie clip holders may differ from product images

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Audio-Technica AT831CW Mini Condenser Lavalier Microphone.

Comparisons

  • The Audio-Technica AT831CW is recommended as a more affordable lapel mic option with a cardioid pattern, unlike omni-directional models that often cause feedback.

    Source

Features and functionality

  • The Yamaha MG124c mixing board's gain knob and slider are explained: the gain increases mic sensitivity, while the slider adjusts signal output to the amplifier.

    Source

Use cases and applications

  • For live church settings, a headset mic like the Countryman E6 or Samson SE10 is suggested for better vocal clarity and minimized feedback.

    Source
  • The FBQ1000 feedback eliminator is recommended for budget-conscious users to reduce feedback in live sound environments.

    Source

Setup and maintenance

  • It's advised to engage the /80 Hz high pass filter on the mixing board to reduce low-frequency feedback in reverberant church spaces.

    Source

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