Audio-Technica AT2021 Small-diaphragm Cardioid Condenser Microphone

Sku #H71551000000000

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Studio quality at a garage band price!

Ideal for home studio and live applications, the low-profile AT2021 offers an extended frequency response, high maximum SPL, and wide dynamic range. The microphone is outstanding for acoustic guitar, overheads, piano, and group vocals. Its low-mass element offers a superb transient response. The AT2021 requires phantom power.

  • Ideal for acoustic guitar, overheads, piano and group vocals
  • Condenser design for studio-quality vocal and instrument applications
  • Excels in high-SPL applications
  • Extended response for smooth, natural sonic characteristics
  • Low-mass element for superb transient response
  • Corrosion-resistant contacts from gold-plated XLRM-type connector
  • Rugged design and construction for reliable performance
  • Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source

AT2021 Small-diaphragm Cardioid Condenser Microphone Specifications:

  • Element: fixed-charge back plate, permanently polarized condenser
  • Polar pattern: cardioid
  • Frequency response: 30-20,000 Hz
  • Open circuit sensitivity: -39 dB (11.2 mV) re 1V at 1 Pa
  • Impedance: 250 ohms
  • Maximum input sound level: 145 dB SPL, 1 kHz at 1% T.H.D.
  • NOISE: 19 dB SPL
  • Dynamic range (typical): 126 dB, 1 kHz at Max SPL
  • Signal-to-noise ratio: 75 dB, 1 kHz at 1 Pa
  • Phantom power requirements: 48V DC, 2 mA typical
  • Weight: 83 g (2.9 oz)
  • Dimensions:
    101.5 mm (4.00") long
    21.0 mm (0.83") maximum body diameter
  • Output connector: integral 3-pin XLRM-type
  • Accessories furnished: stand clamp; soft protective pouch
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by PowerReviews
Audio-TechnicaAT2021 Small-diaphragm Cardioid Condenser Microphone

(based on 1 review)

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Reviewed by 1 customer

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Good quality and performance


from VT

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Verified Buyer


  • Clear Sound
  • Compact
  • Easy To Use
  • Lightweight
  • Versatile


    Best Uses

    • Amateur Recording
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Audio-Technica AT2021 Small-diaphragm Cardioid Condenser Microphone:

    Just what I wanted to record acoustic guitar... sounds great and didn't cost a fortune. I'm sure more expensive mics might sound better, but these are perfect for my home studio.

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