Audio-Technica AT4021 Cardioid Condenser Microphone

Audio-Technica AT4021 Cardioid Condenser Microphone

  • Vendor:Audio-Technica
Availability: In Stock
R 6,750.00
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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.


  • 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
Transducer Condenser
Polar Pattern Cardioid
Frequency Range 20 Hz to 20 kHz
Signal to Noise Ratio 80 dB 
Equivalent Noise Level 14 dB 
Maximum SPL 146 dB SPL
Pad -10 dB
THD 1%
Impedance 250 Ohms
Sensitivity -34 dB
Low-Cut Filter 12 dB/Octave @ 80 Hz
Dynamic Range 132 dB
Output Connectors 1 x 3-Pin XLR
Operating Current Consumption 3.0 mA
Operating Voltage 48 V
Length 5.67" / 144 mm
Diameter 0.83" / 21 mm
Weight 4.20 oz / 119 g