ReSound Key 398 SP BTE Hearing Aids

ReSound Key 398 SP BTE is engineered to provide powerful amplification and natural sound quality for individuals with severe to profound hearing loss. Built on ReSound's Organic Hearing™ philosophy, it delivers comfortable listening, excellent speech understanding, and dependable hearing performance in everyday environments.

Equipped with 8 intelligent sound-processing channels, the Key 398 SP BTE automatically adapts to changing listening environments, helping improve speech clarity while reducing background noise. Advanced technologies such as DFS Ultra II feedback cancellation, Noise Tracker II, Wind Guard, Natural Directionality II, and Adaptive Directionality provide comfortable hearing in both quiet and noisy situations.

Powered by a size 675 zinc-air battery, the hearing aid delivers long-lasting performance with easy battery replacement. Its Super Power BTE design provides powerful amplification for hearing losses ranging from 60–120 dB, making it an ideal solution for users requiring high output and reliable performance.

Bluetooth® Low Energy connectivity enables direct streaming of phone calls, music, television audio, and compatible wireless accessories from supported iPhone® and Android™ devices. Users can personalize hearing settings, adjust listening programs, and receive remote hearing care using the ReSound Smart 3D™ App.

Built with IP68-rated durability, Telecoil support, and advanced feedback management, the ReSound Key 398 SP BTE is designed to withstand moisture, dust, and daily wear while delivering dependable hearing performance.