Directional microphones partially reject sounds from the sides and rear, which is the basis of their noise-reduction ability. The best directional microphones, such as our sD-MIC and CC-Mic, can bring the average hearing aid wearer back to near-normal ability to understand speech in noise.

The most common complaint of hearing aid users is difficulty understanding speech in noise. Hearing aid circuits alone can't solve the problem, but in many cases, directional microphones can.