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AKG MB4 Miniature Boundary Layer Microphone

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  • $ 189.00
  • Regular price $ 239.00

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Kearney, NE0
Grand Island, NE0

The MB4 is a miniature boundary microphone for table-top installation. Thanks to its supercardioid pickup pattern, the MB4 greatly reduces ambient noise and pickup of room reverberation. The result is a clearer, more intelligible sound for applications such as teleconferencing, distance learning, boardrooms and courtrooms.

The MB4 has a cable leading to an XLR-type output connector with built-in mic electronics. It is powered by 12-48V phantom power and is low-impedance balanced.


  • Supercardioid polar pattern offers high gain before feedback
  • PCC (Phase Coherent Cardioid) technology for optimum speech intelligibility
  • Removable grille assembly can be painted to blend in with furniture
  • LED indicator for clear mic on/off notification
  • Balanced, low-Z output prevents hum and high-frequency loss

Technical Specs

  • Audio Frequency Bandwidth: 50 to 15000 Hz
  • Sensitivity: 22 mV/Pa
  • Equivalent Noise Level: 22 dB-A
  • Signal to Noise Ratio: 72 dB-A
  • Polar Pattern: supercardioid
  • Voltage: 12 to 48 V
  • Finish: satin black
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