Audio Technica PRO 44 Cardioid Condenser Boundary Microphone

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With its half-space unidirectional polar pattern, low-profile design, and outstanding sound quality, the PRO 44 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 PRO 44 is equipped with a wide-range condenser element with low-mass diaphragm for superior performance.



  • Low profile 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)



[edit] Specs

  • ELEMENT Fixed-charge back plate, permanently polarized condenser
  • POLAR PATTERN Half-cardioid (cardioid in hemisphere above mounting surface)
  • FREQUENCY RESPONSE 70-16,000 Hz
  • OPEN CIRCUIT SENSITIVITY -25 dB (56.2 mV) re 1V at 1 Pa
  • IMPEDANCE 100 ohms
  • MAXIMUM INPUT SOUND LEVEL 114 dB SPL, 1 kHz at 1% T.H.D.
  • DYNAMIC RANGE (typical) 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 2.4 oz (67 g)
  • DIMENSIONS 2.87" (73.0 mm) maximum width,
  • 3.56" (90.5 mm) maximum length,
  • 0.59" (15.0 mm) height
  • OUTPUT CONNECTOR TB3M-type
  • CABLE 25' (7.6 m) long, with TA3F and XLRM-type connectors


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