The Audio-Technica AT4021 is a versatile condenser microphone renowned for its exceptional performance and rugged construction. Designed for both studio and live applications, this microphone boasts a flat, extended frequency response, high SPL handling capability, and a wide dynamic range. Its cardioid polar pattern ensures high front-to-back rejection, enhancing isolation of the desired sound source. With features like switchable 80 Hz high-pass filter and 10 dB pad, the AT4021 offers flexibility and precision in capturing audio across various settings.
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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 ratio—cardioid 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

Element Fixed-charge back plate, permanently polarized condenser
Polar Pattern Cardioid
Frequency Response 20 – 20.000 Hz
Low Frequency Roll Off 80 Hz, 18 dB/octave
Open Circuit Sensitivity -34 dB (19.9 mV) re 1V at 1 Pa
Maximum Input Sound Level 146 dB SPL, 1 kHz at 1% T.H.D.; 156 dB SPL, with 10 dB pad (nominal)
Dynamic Range 132 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 80 dB, 1 kHz at 1 Pa
Phantom Power Requirements 48V DC, 3.0 mA typical
Weight 119g
Dimensions 144.0 mm (5.67″) long, 21.0 mm (0.83″) maximum body diameter
Output Connector Integral 3-pin XLRM-type
Accessories Included AT8405a stand clamp for 5/8″-27 threaded stands; windscreen; protective carrying case

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