Table: Listen Up
TYPE OF HEARING AID DESCRIPTION BEHIND THE EAR Most visible; a case for components hooks (BTE) behind ear; connects to earpiece via small tube; can be digitally programmed to regulate frequencies so listener can distinguish sounds better IN THE EAR Sits in the hollow of the ear; needs more (ITE) maintenance than a BTE aid but can be digitally programmed IN THE CANAL Barely noticeable; requires frequent battery (ITC) change and cleaning; cannot be digitally programmed so amplifies all sounds equally DATA: BUSINESS WEEK
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