No description

Miniature Omnidirectional Condenser Microphone


  • 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

    The AT803 is designed to be worn as a lavalier or hidden in loose clothing. For use as a lavalier, attach the microphone about 150mm below the chin. Anticipate movements that may cause the microphone to rub against or be covered by clothing, and position the microphone to avoid it.

    • audio technica AT803
  • AT803 Specifications

    Fixed-charge back plate, permanently polarized condenser
    Polar Pattern
    Frequency Response
    30 ~ 20,000 Hz
    Low Frequency Roll-Off
    80 Hz, 18 dB/octave
    Open Circuit Sensitivity
    Phantom: -44 dB (6.3 mV) re 1V at 1 Pa;
    Battery: -46 dB (5.0 mV) re 1V at 1 Pa
    Phantom: 200 Ω;
    Battery: 270 Ω
    Maximum Input Sound Level
    Phantom: 135 dB SPL, 1 kHz at 1% T.H.D.;
    Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
    Dynamic Range (Typical)
    Phantom: 107 dB 1 kHz at Max SPL;
    Battery: 93 dB 1 kHz at Max SPL
    Signal-To-Noise Ratio
    66 dB, 1 kHz at 1 Pa
    Battery Type
    1.5V AA/UM3
    Battery Current / Life
    0.4 mA / 1200 hrs typical (alkaline)
    Phantom Power Requirements
    11~52V DC, 2 mA typical
    Off, on-flat, on-roll-off
    Microphone: 2.8 g;
    Power Module: 139 g
    Microphone: 25.0mm long x 10.2mm diameter;
    Power Module: 84.0mm x 63.0mm x 22.0mm (High x Wide x Thick)
    Output Connector
    Integral 3-pin XLRM-type
    1.8 m long (permanently attached to microphone), 2.6 mm diameter
    Accessories Furnished
    AT8531 power module;
    AT8417 clothing clip;
    AT8116 windscreen;
    protective carrying case


    audio technica support AT803.pdf - Operation Manual