Unidirectional condenser boundary microphone


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PRO44 Unidirectional condenser boundary microphone

Unidirectional condenser boundary microphone


With its half-space unidirectional polar pattern, low-profile design, and outstanding sound quality, the PRO44 is ideal for conference tables, podiums, lecterns and other installed-sound uses. This versatile boundary mic's self-contained electronics eliminate the need for external power modules. The PRO44 is equipped with a wide-range condenser element with low-mass diaphragm for superior performance.

  • Low-profile design for minimum visibility
  • Wide-range condenser element with low-mass diaphragm for superior performance
  • Self-contained electronics eliminate need for external power modules
  • Rugged design and construction
  • 25' (7.6 m) detachable cable (TA3F to XLRM-type)


Element Condenser
Polar Pattern Half-cardioid (cardioid in hemisphere above mounting surface)
Frequency Response 70 - 16,000 Hz
Open Circuit Sensitivity -25dB (56.2mV) re 1V at 1 Pa
Maximum Input Sound Level 114 dB SPL, 1 kHz at 1% T.H.D.
Dynamic Range 86 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio 66 dB, 1 kHz at 1 Pa
Phantom Power Requirements 9-52V, 2 mA typical
Weight 67 g
Cable 25' (7.6 m) long, with TA3F and XLRM-type connectors
Dimensions 2.87" (73.0 mm) maximum width, 3.56" (90.5 mm) maximum length, 0.59" (15.0 mm) height
Output Connector Integral 3-pin XLRM-type


PRO44 Dimensions
PRO44 Quick Start Guide
PRO44 Declaration of Conformity
PRO44 Frequency Response
PRO44 Submittal Sheet
PRO44 Polar Pattern
PRO44 Specification Sheet