Audio-Technica AT-831CW Lapel Microphone

Cardioid condenser wireless lavalier microphone

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What's in the box:

  • Audio-Technica AT831cW - Mini Cardioid Condenser Mic
  • (AT8417) Clothing Clip
  • (AT8116) Foam Windscreen
  • 55" (1.4m) Cable Terminated with Locking 4-Pin HRS Connector for A-T UniPak Wireless Transmitter
  • Limited 2-Year Warranty

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Our most popular lapel mic for wireless

    The Audio-Technica AT831CW is our most popular mic for wireless lapel systems. Developed specifically for pick-up of voice and musical instruments, it offers crisp, full sound and a cardioid pickup pattern for superb rejection of ambient noise. An alligator-style clip is supplied for lapel applications. This mic is powered from the wireless system body pack and is terminated with a Hirose mini 4-pin connector for A-T UniPak™ wireless systems.


  • Versatile - spoken word or instruments
  • Suppression of background noise
  • Excellent gain before feedback
  • Includes clip

Specifications for the Audio-Technica AT-831CW

{ "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" : "-42 dB (7.9 mV) re 1V at 1 Pa", "IMPEDANCE" : "250 ohms", "MAXIMUM INPUT SOUND LEVEL" : "141 dB SPL, 1 kHz at 1% T.H.D.", "DYNAMIC RANGE (typical)" : "112 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", "SWITCH" : "Flat, roll-off", "WEIGHT (MICROPHONE)" : "0.1 oz (2.8 g)", "WEIGHT (POWER MODULE)" : "2.9 oz (81 g)", "DIMENSIONS (MICROPHONE)" : [ "0.98" (25.0 mm) long,", "0.40" (10.2 mm) diameter" ], "DIMENSIONS (POWER MODULE)" : [ "3.66" (92.9 mm) long,", "0.74" (18.9 mm) diameter" ], "OUTPUT CONNECTOR (POWER MODULE)" : "Integral 3-pin XLRM-type", "CABLE" : "55" (1.4 m) permanently attached miniature cable terminated with a locking 4-pin connector for use with Audio-Technica cW-style body-pack transmitters", "ACCESSORIES FURNISHED" : [ "Clothing clip", "AT8116 windscreen", "protective carrying case" ], "AUDIO-TECHNICA CASE STYLE" : "M1" }

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