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Audio Technica AT2021

Item ID: AT2021

Cardioid Condenser Microphone with 30-20,000Hz Frequency Response - Ideal for Acoustic Guitar, Overheads, Piano, and Vocal Groups


About this item

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.



Audio Technica AT2021 Cardioid Condenser Microphone Features:

  • 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

Audio Pioneer in High-Performance & Design

Established in 1962, Audio-Technica is a worldwide group of companies devoted to the design, manufacture, marketing and distribution of problem-solving audio equipment. Initially known for state-of-the-art phonograph cartridges, A-T now creates high-performance microphones, headphones, wireless systems, mixers and electronic products for home and professional use.


Product 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.
Dynamic Range: 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: 2.9 oz.
Output Connector: Integral 3-Pin XLRM-Type
Case: S1
Manufacturer Part Number: AT2021