Audio-Technica AT831R
Miniature Lavalier Condenser Microphone, Cardioid

OUR PART #  AT831R


The Audio-Technica AT831R clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831R also excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. The mic is ideal for higher SPL applications, such as pickup for horns with included AT8418 UniMount® microphone instrument mount. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.

Audio-Technica AT831R Features:

  • Clip-on lavalier mic also excels in acoustic guitar applications
  • Provides crisp, full-sounding voice and instrument pickup
  • Excellent gain before feedback and suppression of background noise
  • Operates on phantom power only
  • 25' (7.6 m) cable permanently attached to mic, TA3Fconnector at power module
  • RoHS compliant - free from all substances specified in the EU directive on hazardous substances
    Audio-Technica AT831R Specifications:
    • Element:  Fixed-charge back plate, permanently polarized Condenser
    • Polar Pattern:  Cardioid
    • Frequency Response:  40 Hz - 16 kHz
    • 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.
    • Signal to Noise Ratio:  65 dB, 1 kHz at 1 Pa
    • Dynamic Range (Typical):  112 dB, 1 kHz at Max. SPL
    • Phantom Power Requirements:  11 - 52V, 2 mA typical
    • Switch:  Flat, roll-off
    • Weight (microphone):  0.1 oz (2.8 g)
    • Weight (power module):  2.9 oz
    • Dimensions (microphone):  0.98" long, 0.40" diameter
    • Dimensions (power module):  3.66" long, 0.74" diameter
    • Output Connector:  Integral 3-pin XLRM-type (power module)
    • Included Accessories:
      • AT8116 foam windscreen
      • AT8418 UniMount® instrument mount
      • AT8417 clothing clip
      • AT8444 guitar adapter
      • AT8538 power module
      • Protective Carrying Case
    Mic Clip for AT803A
    Audio-Technica AT8417 Mic Clip for AT803A
    The AT8417 lavalier clothing clip features an adjustable wire fitting allowing use with virtually any size lavalier microphone.
    Lavalier Tie Clip
    Audio-Technica AT8411 Lavalier Tie Clip
     The AT8411 lavalier tie / clothing clip is designed to fit the Audio Technica Pro 7a, Pro 35x, AT-803B, AT-831R / 831B / 831C and Pro 95 lavalier microphones.

    3.0 / 5

    ★★★★★ Log In for price!

    In Stock
    Small Black Windscreen for M1 Case Style
    Audio-Technica AT8116 Small Black Windscreen for M1 Case Style
    The Audio-Technica AT8116 is a small black foam windscreen that's designed for use with AT803, AT831 microphones (sold separately), and fits Audio-Technica Case Style: M1 (sold separatetly ).
    Microphone Windscreen (Black)
    WindTech 1100-BLACK Microphone Windscreen (Black)
    Since 1976, WindTech has manufactured the highest quality American made microphone windscreens on the market. They are available in  25  brilliant colors, and a wide variety of shapes and sizes to fit most popular microphones. ...
    Replacement instrument mount and windscreen

    Usually ships in 7-14 business days.
    Need it sooner? Call us!
    Mount for Pro 7A
    Audio-Technica AT8444 Mount for Pro 7A
    Mounts small-diameter (10 mm) microphone to acoustic guitar. Fits Audio-Technica Case Style(s): M1

    Usually ships in 7-14 business days.
    Need it sooner? Call us!

    Audio-Technica AT831R
    Miniature Lavalier Condenser Microphone, Cardioid

    OUR PART #  AT831R

    Product Information:

    The Audio-Technica AT831R clip-on lavalier mic provides crisp, full-sounding voice pickup. The AT831R also excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. The mic is ideal for higher SPL applications, such as pickup for horns with included AT8418 UniMount® microphone instrument mount. Excellent gain before feedback and suppression of background noise. Operates on phantom power only.

    Audio-Technica AT831R Features:

    • Clip-on lavalier mic also excels in acoustic guitar applications
    • Provides crisp, full-sounding voice and instrument pickup
    • Excellent gain before feedback and suppression of background noise
    • Operates on phantom power only
    • 25' (7.6 m) cable permanently attached to mic, TA3Fconnector at power module
    • RoHS compliant - free from all substances specified in the EU directive on hazardous substances
      Audio-Technica AT831R Specifications:
      • Element:  Fixed-charge back plate, permanently polarized Condenser
      • Polar Pattern:  Cardioid
      • Frequency Response:  40 Hz - 16 kHz
      • 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.
      • Signal to Noise Ratio:  65 dB, 1 kHz at 1 Pa
      • Dynamic Range (Typical):  112 dB, 1 kHz at Max. SPL
      • Phantom Power Requirements:  11 - 52V, 2 mA typical
      • Switch:  Flat, roll-off
      • Weight (microphone):  0.1 oz (2.8 g)
      • Weight (power module):  2.9 oz
      • Dimensions (microphone):  0.98" long, 0.40" diameter
      • Dimensions (power module):  3.66" long, 0.74" diameter
      • Output Connector:  Integral 3-pin XLRM-type (power module)
      • Included Accessories:
        • AT8116 foam windscreen
        • AT8418 UniMount® instrument mount
        • AT8417 clothing clip
        • AT8444 guitar adapter
        • AT8538 power module
        • Protective Carrying Case
      Mic Clip for AT803A
      Audio-Technica AT8417 Mic Clip for AT803A
      The AT8417 lavalier clothing clip features an adjustable wire fitting allowing use with virtually any size lavalier microphone.
      Lavalier Tie Clip
      Audio-Technica AT8411 Lavalier Tie Clip
       The AT8411 lavalier tie / clothing clip is designed to fit the Audio Technica Pro 7a, Pro 35x, AT-803B, AT-831R / 831B / 831C and Pro 95 lavalier microphones.

      3.0 / 5

      ★★★★★ Log In for price!

      In Stock
      Small Black Windscreen for M1 Case Style
      Audio-Technica AT8116 Small Black Windscreen for M1 Case Style
      The Audio-Technica AT8116 is a small black foam windscreen that's designed for use with AT803, AT831 microphones (sold separately), and fits Audio-Technica Case Style: M1 (sold separatetly ).
      Microphone Windscreen (Black)
      WindTech 1100-BLACK Microphone Windscreen (Black)
      Since 1976, WindTech has manufactured the highest quality American made microphone windscreens on the market. They are available in  25  brilliant colors, and a wide variety of shapes and sizes to fit most popular microphones. ...
      Replacement instrument mount and windscreen

      Usually ships in 7-14 business days.
      Need it sooner? Call us!
      Mount for Pro 7A
      Audio-Technica AT8444 Mount for Pro 7A
      Mounts small-diameter (10 mm) microphone to acoustic guitar. Fits Audio-Technica Case Style(s): M1

      Usually ships in 7-14 business days.
      Need it sooner? Call us!
      Add to Cart

      We're sorry, only of this item available



      Call a Sales Pro at for more information

      Serving Contractors, Dealers, and Installers Since 1977

      Contact: 1-800-828-0509 / Hours: Mon - Fri 7:00AM - 7:00PM