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Audio Technica PRO42

Very low profile surface mount cardioid condenser boundary microphone.
List price Ex. VAT: £82.50


The Audio Technica PRO42 miniature cardioid condenser boundary microphone is one of our favourite products.

The inconspicuous low-profile design of the PRO42 is perfect for surface-mount use in boardroom, school, government, house of worship and other installed applications. Designed for sound reinforcement, broadcasting and recording applications, the PRO42 offers crisp, intelligible audio reproduction. With a wide-range condenser element and low-mass diaphragm for superior performance, the microphone is equipped with self-contained electronics, eliminating the need for external power modules.

  • Very low-profile design for minimum visibility
  • Wide-range condenser element with low-mass diaphragm for superior performance
  • Uniform polar pattern for maximum rejection of unwanted sounds
  • Rugged design and construction
  • 25' (7.6 m) cable permanently attached between microphone and XLRM-type connector


Additional Information


Fixed-charge back plate, permanently polarized condenser

Polar Pattern

Half-cardioid (cardioid in hemisphere above mounting surface)

Frequency Response

70-14,000 Hz

Open Circuit Sensitivity

-38 dB (12.5 mV) re 1V at 1 Pa


100 ohms

Maximum Input Sound Level

134 dB SPL, 1 kHz at 1% T.H.D.

Dynamic Range

105 dB, 1 kHz at Max SPL

Signal to Noise Ratio

65 dB, 1 kHz at 1 Pa

Phantom Power Requirements

9-52V DC, 2 mA typical


1.2 oz (35 g)


1.44" (36.6 mm) maximum width, 2.14" (54.3 mm) maximum length, 0.61" (15.5 mm) height

Output Connector

3-pin XLRM-type on cable


25' (7.6 m) long, permanently attached

View FileEC Declaration of Conformity: PRO42    Size: (74.59 KB)
View FileAudio Technica Pro42 Microphone datasheet    Size: (60.75 KB)
Product video for Audio Technica PRO42
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