Audio Technica AT4021 Cardioid Microphone

Audio Technica

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Product Code: 9999-04132
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The Audio Technica AT4021 Cardioid Microphone is a low-profile cardioid condenser microphone ideal for critical studio and live applications. In a rugged construction, it offers outstanding performance, high SPL handling, wide dynamic range and flat, extended frequency response.

The Audio Technica AT4021 Cardioid Microphone's 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 Audio Technica AT4021 Cardioid Microphone offers outstanding reproduction of low-frequency sounds.

Audio Technica AT4021 Cardioid Microphone 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 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

Audio Technica AT4021 Cardioid Microphone Specifications

  • 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
  • Impedance: 250 Ohms
  • Maximum Input Sound Level: 146 dB SPL, 1 kHz at 1% T.H.D.; 156 dB SPL, with 10 dB Pad (Nominal)
  • Noise: 14 dB SPL
  • Dynamic Range (Typical): 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
  • Switches: Flat, Roll-Off; 10 dB Pad
  • Weight: 119 g (4.2 oz)
  • Dimensions: 144.0 mm (5.67") Long, 21.0 mm (0.83") Maximum Body Diameter
  • Output Connector: Integral 3-Pin XLRM-Type
  • Audio-Technica Case Style: S1

Audio Technica AT4021 Cardioid Microphone Includes

  • Audio Technica AT4021 Cardioid Microphone
  • Audio Technica AT8405a Stand Clamp for 5/8"-27 Threaded Stands
  • Windscreen
  • Protective Carrying Case
  • 5 Year Warranty

1 Review Hide Reviews Show Reviews

  • 4
    Amazingly good sounding mic for the money
    Sandor Nagyszalanczy

    I recently got ahold of an Audio Technica AT4021 and did a careful comparison of it with several other great small-diameter cardiod SDC mics, including an AKG 451B, a Microtech-Gefell M295, a Beyerdynamic MC930. Well, not only did the AT4021 stand up well to the other three mics, all more expensive, but I was amazed at how close it sounded to the M295, the most expensive SDC mic I own! I'd say the AT4021 produced about 85% of the M295's sound, at a fraction the price. Yes, the M295 produces a more dimensional, more polished sound, great if you're recorded a solo guitar or ukulele. But in a mix with other instruments, I'd say the AT4021 will definitely produce terrific results!