Product details
The ReSound Key 398 SP BTE provides strong super power amplification suitable for individuals with severe to profound hearing loss. Positioned in the Key 3 technology level, this model balances essential digital features with reliable high-gain stability.
With a 60–120 dB fitting range, the device supports users requiring significant amplification for improved speech audibility and daily communication comfort.
Digital Sound Processing Features
- 8 WARP Compression Channels – Structured frequency shaping for speech clarity
- Adaptive Directionality – Focuses on speech in front
- Noise Tracker II – Reduces steady background noise
- Wind Guard – Minimizes wind disturbances
- DFS Ultra II Feedback Management – Reduces whistling at high gain levels
- Impulse Noise Reduction – Controls sudden sharp sounds
- Environmental Classifier – Adjusts automatically to listening environments
These technologies help maintain clearer conversations while managing environmental noise.
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