AT4021

Cardioid Condenser Microphone

MSRP* US$499.00
Five-Year Limited End-User Warranty

*Manufacturer's Suggested Retail Price. Actual selling price may vary; please check with an authorized Audio-Technica dealer.



  • Overview
  • Features
  • Specifications
  • Downloads
  • Reviews
  • Q & A

  • Overview


    Ideal for critical studio and live applications, the low-profile AT4021 offers a flat, extended frequency response, high maximum SPL and wide dynamic range. Its low self-noise is perfectly suited for the most sophisticated recording equipment. Its low-mass diaphragm improves transient response, increases response bandwidth and reduces handling and mechanical noise transfer. The microphone offers outstanding reproduction of low-frequency sounds.
  • Features


    • Outstanding performance and rugged construction

    • High SPL handling and wide dynamic range

    • Flat, extended frequency response

    • Switchable 80 Hz hi-pass filter and 10 dB pad

    • High front-to-back rejection ratioŚcardioid polar pattern improves isolation of desired sound source

    • Low self noise perfectly suited for digital recording equipment

    • Exceptional reproduction of low frequency sounds

    • Low-mass element for superb transient response

  • Specifications

    ELEMENTFixed-charge back plate, permanently polarized condenser
    POLAR PATTERNCardioid
    FREQUENCY RESPONSE20-20,000 Hz
    LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave
    OPEN CIRCUIT SENSITIVITY-34 dB (19.9 mV) re 1V at 1 Pa
    IMPEDANCE250 ohms
    MAXIMUM INPUT SOUND LEVEL146 dB SPL, 1 kHz at 1% T.H.D.;
    156 dB SPL, with 10 dB pad (nominal)
    NOISE14 dB SPL
    DYNAMIC RANGE (typical)132 dB, 1 kHz at Max SPL
    SIGNAL-TO-NOISE RATIO80 dB, 1 kHz at 1 Pa
    PHANTOM POWER REQUIREMENTS48V DC, 3.0 mA typical
    SWITCHESFlat, roll-off; 10 dB pad
    WEIGHT119 g (4.2 oz)
    DIMENSIONS144.0 mm (5.67") long,
    21.0 mm (0.83") maximum body diameter
    OUTPUT CONNECTORIntegral 3-pin XLRM-type
    ACCESSORIES FURNISHEDAT8405a stand clamp for 5/8"-27 threaded stands; windscreen; protective carrying case
    AUDIO-TECHNICA CASE STYLES1
    Click on the chart to view the larger image
    POLAR PATTERN
    POLAR PATTERN
    FREQUENCY RESPONSE
    FREQUENCY RESPONSE



    Conditions
  • Downloads

    AT4021 Specification Sheet (pdf 282.34 KB)
    AT4021 Submittal Sheet (pdf 369.39 KB)
    Optional Windscreens / Mounts
  • Reviews

  • Q & A