Audio Technica PRO 44 Boundary Microphone

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Product Code: 1255
Audio Technica PRO 44
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Audio Technica PRO 44 Unidirectional Condenser Boundary Microphone

Audio Technica PRO 44 Unidirectional Condenser Boundary Microphone

Audio Technica PRO 44
The PRO44 is a wide-range condenser microphone with a hemi-cardioid (half-space cardioid) polar pattern. It was designed for surface-mounted applications in high-quality sound reinforcement and other demanding sound pickup situations. Its low-profile design makes the PRO44 ideal for use in applications where minimum visibility is required. The PRO44 can be powered from any external 9V to 52V DC phantom power source. A 25' (7.6 m) cable with TA3F and XLRM-type connectors is provided for use between the microphone and electronics input. The microphone element is enclosed in a rugged housing with a black finish. The rubber non-slip bottom pad minimizes mechanical coupling of surface vibrations to the microphone.


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


  • Element: Condenser
  • Polar Pattern: Unidirectional
  • Frequency Response: 70-16,000 Hz
  • Open Circuit Sensitivity: -25dB (56.2 mV) re 1V at 1Pa
  • Impedance: 100 ohms
  • Maximum Input Sound Level: 114 dB SPL, 1kHz @ 1% THD
  • Signal to Noise Ratio: 66 dB, 1kHz @ 1 Pa
  • Dynamic Range (Typical): 86 dB, 1 kHz @ max SPL
  • Phantom Power Requirements: 9-52V, 2 mA typical
  • Weight: 2.4 oz (67 g)
  • Power Module: Integral
  • Output Connector: XLRM-type on cable

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