Miniature Cardioid Condenser Boundary Microphone

$189 + shipping (includes gst)

The PRO42’s low-profile design assures inconspicuous appearance 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 brings crisp, intelligible audio reproduction to the podium, stage, conference table and beyond. 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

 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

Polar Pattern
Frequency Response
PRO42 Spec Sheet (PDF) Download
PRO42 Submittal Sheet (PDF) Download
PRO42 User Manual (PDF) Download

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