Knowles Acoustic Damping Elements

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