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Audio-Technica AT831C Miniature Cardioid Lavalier Microphone

Regular price $119.00
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Audio-Technica  |  SKU: AT831C

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Product Overview

The Audio-Technica AT831c is a miniature cardioid condenser lavalier microphone supplied unterminated, letting an integrator wire it to the connector their system requires. Its cardioid pattern rejects off-axis sound to improve gain-before-feedback for presenters in commercial AV rooms.

Product Description

The AT831c gives integrators a bare-lead lavalier to terminate for a specific transmitter or power module, which is useful for custom installs and standardized wiring.

Audio-Technica AT831c miniature cardioid condenser lavalier microphone

Frequency response runs 40–18,000 Hz with a 200 ohm impedance and an integral 80 Hz high-pass filter. The cable is supplied unterminated for custom connection.

For factory-terminated versions, see the cH-style AT831cH or the wired AT831b with power module.

Key Features

  • Cardioid lavalier capsule — A directional pattern rejects off-axis sound to improve gain-before-feedback for presenters.
  • Unterminated for custom wiring — Bare leads let an integrator fit the connector their transmitter or module requires.
  • Integral 80 Hz high-pass filter — An integral filter controls rumble and handling noise for clean speech.
  • Discreet clip-on form — The miniature lavalier mounts unobtrusively on a lapel for presentations and broadcast.
  • Install-friendly — Suited to custom installs and facilities standardizing on a specific connector.

Technical Specifications

Type Condenser (lavalier)
Polar pattern Cardioid
Frequency response 40–18,000 Hz
Impedance 200 ohms
High-pass filter Integral 80 Hz
Termination Unterminated (custom)
Power 11V to 52V phantom
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