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Knowles Acoustic Damping Elements

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Manufacturer: Knowles
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Acoustic damping plugs are used in hearing aids between the receiver and the outlet to the ear canal to smooth the frequency response.
  • Gives a more comfortable performance.
  • Permits operation at higher average sound pressure levels before feedback occurs.
  • Sold in quantities of 10; please select resistance level.


  • Available in 7 resistance levels:
  • 330 Ohm Grey
  • 680 Ohm White
  • 1000 Ohm Brown
  • 1500 Ohm Green
  • 2200 Ohm Red
  • 3300 Ohm Orange
  • 4700 Ohm Yellow
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