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Contacta IL-PL21 Boundary Microphone

The Contacta ILPL21 is a small Boundary Microphone, designed to be placed directly onto the surface of a desk or counter. It can also be used alongside the IL-PL20 Portable Loop System, to provide a further audio input source.

This product can pick up audio from every angle, thanks to its omnidirectional pick-up pattern (which means it’s particularly useful for making sure the audio from several people gets fed into the Loop System), but can also be perfect for picking up the ambient noise in a room or the audio from a TV. It can also pick up the noise of a telephone/doorbell, making it a handy addition to any domestic solution.

The IL-PL21 has been superseded by the IL-PL30. For more information, please feel free to contact our sales team via the enquiry button above.


  • Impedance: 1k
  • S/N Ratio: 64dB (A)
  • Max SPL: 120dB, 1% THD
  • Power: 1V to 9V DC; optimum 4.5V
  • Frequency Response: 50 Hz to 18 Hz
  • Sensitivity: -48dB +/- 3dB @1 KHz (0dB = 1 volt per PA)
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