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The behind-the-ear aids are designed to sit comfortably behind the outer ear, allowing them to channel sound through a small tube directly into the ear canal. This configuration provides a powerful sound amplification for individuals with varying degrees of hearing loss. The design not only supports better sound directionality but also allows for larger batteries and enhanced features, such as wireless connectivity and advanced processing capabilities.

In contrast, in-the-ear aids are custom-fitted to the ear’s shape and sit within the ear, while completely-in-canal aids are smaller, fit deep inside the ear canal, and are less visible. Body aids typically involve a larger unit worn on the body connected to the ear through a wire and are less commonly used in comparison to modern behind-the-ear options. Hence, behind-the-ear aids are particularly effective in providing amplification while remaining discreet and comfortable for the user.