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Digital Hearing Aid Channels & Bands: What’s the Difference?

What is the difference between channels and bands in a digital hearing aid? Hearing healthcare professionals often mention these terms when comparing different hearing aids.

Hearing Aid Bands

Bands break up the hearing spectrum and allow each portion of the frequency range to be adjusted individually. This is sometimes called the equalizer and can be thought of as similar to an equalizer on a stereo system. For example, if you have hearing loss in the higher pitches, but not in the lower pitches, the bands would be used to adjust the higher pitches only (leaving the lower pitches un-amplified) so that you could hear better.

Hearing Aid Channels

Channels are involved in helping soft sounds get amplified into a comfortable range, preventing loud sounds from becoming too loud, noise reduction and feedback (whisting) prevention. For example, if a firetruck passed by you, your hearing could be damaged by the loud sound of a firetruck siren. The channels would compress (flatten) the sound to prevent it from being loud enough to damage your hearing.

For example…

​​​​The MDHearingAid AIR has 12 bands and 2 channels. The MDHearingAid FIT has 12 bands and 8 channels. ​These are similar to specifications found in hearing aids costing thousands of dollars by Costco, Oticon, Starkey, Resound, Phonak, Widex, Unitron, Beltone, Miracle Ear, and Siemens.

Stay Informed

Whether you’re a hearing aid user now or contemplating investing in a pair, we want to help you be confident in your hearing decisions. The MDHearingAid newsletter brings useful hearing aid news, advice, and reports right to your inbox every month... for free!