Audio-Technica AT803
Omnidirectional Miniature Lavalier Condenser Microphone

OUR PART #  AT803

Log In for price!

Don't have an account? Apply today!

The Audio-Technica AT803 provides excellent yet unobtrusive sound pickup for lecturers and stage/TV performers. Designed for clip-on lavalier and musical instrument use, it features an integral 80 Hz high-pass filter that provides easy switching from a flat frequency response to a low-end roll-off. The microphone operates on battery or phantom power.

Audio-Technica AT803 Features:

  • High intelligibility for lecturers and stage/TV performers
  • Provides excellent yet unobtrusive sound pickup
  • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
  • Operates on battery or phantom power
  • 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
  • RoHS compliant—free from all substances specified in the EU directive on hazardous substances

Audio-Technica AT803 Specifications:

  • Element:  Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern:  Omnidirectional
  • Frequency Response:  30 Hz - 20 kHz
  • Low Frequency Roll-Off:  80 Hz, 12 dB/octave
  • Open Circuit Sensitivity: Phantom:  -44dB (6.3 mV) re 1V at 1Pa; 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, 1kHz at 1% T.H.D.;Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
  • Dynamic Range (typical):  107 dB, 1 kHz at Max SPL; Battery: 93 dB, 1 kHz at Max SPL
  • Signal-to-Noise Ratio:  66 dB, 1kHz 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
  • Weight, Microphone:  0.1 oz
  • Weight, Power Module:  4.9 oz
  • Dimensions, Microphone:  0.98" Length x 0.40" Diameter
  • Dimensions, Power Module (H x W x D):  3.31" x 2.48" x 0.87"
  • Output Connector:  Integral 3-pin XLRM-type
  • Cable:  6' long (permanently attached to microphone), 0.10" diameter, 2-conductor, shielded cable with TA3F-type connector
  • Included Accessories:
    • AT8531 power module
    • AT8417 clothing clip
    • AT8116 windscreen
    • Battery
    • 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.
Windscreen for AT803, AT831, and AT8116
Audio-Technica AT8116 Windscreen for AT803, AT831, and AT8116
Windscreen for Audio-Technica microphones: AT803AT831AT8116
Replacement power module
Audio-Technica AT8531 Replacement power module
 Power module with on/off/roll-off switch and XLR-style output connector for the AT841A/ AT851A/ AT853A microphones.
Usually ships in 7-14 business days.
Need it sooner? Call us!
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!
Tie Tac for AT803/831
Usually ships in 7-14 business days.
Need it sooner? Call us!

Audio-Technica AT803
Omnidirectional Miniature Lavalier Condenser Microphone

OUR PART #  AT803

Product Information:

The Audio-Technica AT803 provides excellent yet unobtrusive sound pickup for lecturers and stage/TV performers. Designed for clip-on lavalier and musical instrument use, it features an integral 80 Hz high-pass filter that provides easy switching from a flat frequency response to a low-end roll-off. The microphone operates on battery or phantom power.

Audio-Technica AT803 Features:

  • High intelligibility for lecturers and stage/TV performers
  • Provides excellent yet unobtrusive sound pickup
  • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
  • Operates on battery or phantom power
  • 6' (1.8 m) cable permanently attached to mic, TA3F connector at power module
  • RoHS compliant—free from all substances specified in the EU directive on hazardous substances

Audio-Technica AT803 Specifications:

  • Element:  Fixed-charge back plate, permanently polarized condenser
  • Polar Pattern:  Omnidirectional
  • Frequency Response:  30 Hz - 20 kHz
  • Low Frequency Roll-Off:  80 Hz, 12 dB/octave
  • Open Circuit Sensitivity: Phantom:  -44dB (6.3 mV) re 1V at 1Pa; 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, 1kHz at 1% T.H.D.;Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
  • Dynamic Range (typical):  107 dB, 1 kHz at Max SPL; Battery: 93 dB, 1 kHz at Max SPL
  • Signal-to-Noise Ratio:  66 dB, 1kHz 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
  • Weight, Microphone:  0.1 oz
  • Weight, Power Module:  4.9 oz
  • Dimensions, Microphone:  0.98" Length x 0.40" Diameter
  • Dimensions, Power Module (H x W x D):  3.31" x 2.48" x 0.87"
  • Output Connector:  Integral 3-pin XLRM-type
  • Cable:  6' long (permanently attached to microphone), 0.10" diameter, 2-conductor, shielded cable with TA3F-type connector
  • Included Accessories:
    • AT8531 power module
    • AT8417 clothing clip
    • AT8116 windscreen
    • Battery
    • 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.
Windscreen for AT803, AT831, and AT8116
Audio-Technica AT8116 Windscreen for AT803, AT831, and AT8116
Windscreen for Audio-Technica microphones: AT803AT831AT8116
Replacement power module
Audio-Technica AT8531 Replacement power module
 Power module with on/off/roll-off switch and XLR-style output connector for the AT841A/ AT851A/ AT853A microphones.
Usually ships in 7-14 business days.
Need it sooner? Call us!
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!
Tie Tac for AT803/831
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