Audio-Technica - AT2031 Cardioid Condenser End Address Microphone

The AT2031 is the ideal microphone for stringed instruments in critical studio and live applications. Its permanently polarized element offers extended frequency response with a slight rise in the high-frequency range for a more detailed sound. Its low self-noise and high SPL handling capability offer a wide dynamic range, perfectly suited for the most demanding applications. For professional recording studios, it is a perfect auxiliary microphone for a drum kit or to record in proximity to orchestral ensembles. For live recording, its rugged construction and low prices will make it a perfect companion for capturing percussion, acoustic guitar, hi-hat, overheads, and piano.


  • Cardioid polar pattern improves isolation of the desired sound source
  • Low self-noise perfectly suited for digital recording equipment
  • Ideal for stringed instruments such as violin, cello, acoustic guitar, harp, and piano both in the studio and on stage.
  • Smooth, extended frequency response with a slight rise in the high-frequency region
  • Outstanding performance and rugged construction
  • High SPL handling and wide dynamic range
  • Switchable 150 Hz 6dB/oct hi-pass filter
  • Sturdy steel construction, equally at home in a home studio, rehearsal studio, or on stage
  • Discreet in size (134mm) yet surprisingly versatile


Element Fixed-charge back plate permanently polarized condenser
Polar Pattern Cardioid
Frequency Response 20 - 20,000 Hz
Open Circuit Sensitivity -34 dB (19.9 mV) re 1V at 1 Pa*
Impedance 85 ohms
Maximum Input Sound Level 141 dB SPL, 1 kHz at 1% T.H.D.
Noise 17 dB SPL
Low Frequency Roll Off 150 Hz, 6 dB/octave
Switches Flat, roll-off
Dynamic Range 124 dB, 1 kHz at max SPL
Signal-to-Noise Ratio 77 dB, 1 khz at 1 Pa*
Phantom Power Requirements 48V DC, 2mA typical
Weight 134g
Dimensions 143.0 mm long, 21.0 mm maximum body Ø
Output Connector Integral 3-pin XLRM-type
Accessories Included AT8405a stand clamp; windscreen; soft protective pouch

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