ReSound Key 398 SP BTE

The ReSound Key 398 SP BTE belongs to the ReSound Key family, created to provide dependable hearing support with modern sound processing and wireless features at a practical price point. This model is specially built for users who require: Strong amplification for profound hearing loss Better speech clarity in daily conversations Reduced background noise Comfortable long-term hearing support Durable and easy-to-handle BTE design The device offers 8-channel digital processing, advanced feedback management, and directional hearing support to improve listening comfort in different environments. According to ReSound Key professional specifications, the Key SP BTE models include DFS Ultra II, NoiseTracker II, Natural Directionality II, Bluetooth Low Energy connectivity, and wireless accessory compatibility. ⭐ Key Features Super Power Behind-The-Ear (SP BTE) design Suitable for severe to profound hearing loss 8-channel digital sound processing Strong high-output amplification DFS Ultra II feedback cancellation NoiseTracker II background noise reduction Adaptive Directionality Natural Directionality II Environmental Classifier automatic adjustment Wind Guard wind noise reduction Bluetooth wireless support Direct Audio Streaming support ReSound Smart 3D App compatibility Remote hearing care support Telecoil support Direct Audio Input (DAI) Tinnitus Sound Generator Wireless accessory compatibility Zinc-Air Size 675 battery Moisture-resistant durable body Compatible with custom earmolds 📊 Technical Specifications Feature Details Model ReSound Key 398 SP BTE Type Super Power BTE Technology Level Key 3 Channels 8 Channels Hearing Loss Range 60–120 dB Full-On Gain Approx. 86 dB Battery Type Zinc-Air 675 Connectivity Bluetooth Low Energy Streaming Support iOS & Android compatible App Support ReSound Smart 3D App Feedback Cancellation DFS Ultra II Noise Reduction NoiseTracker II Telecoil Yes DAI Support Yes Warranty Usually 2 Years 🎧 Advanced Sound Technologies DFS Ultra II Helps prevent whistling and feedback even at very high amplification levels. NoiseTracker II Reduces continuous background noise for clearer speech understanding. Adaptive Directionality Improves focus on speech while maintaining environmental awareness. Wind Guard Reduces wind disturbance during outdoor use. Environmental Classifier Automatically adjusts hearing settings based on surrounding listening conditions. 📱 Connectivity & Smart Features The ReSound Key 398 SP BTE supports: Bluetooth connectivity Smartphone app adjustments Direct streaming support TV audio streaming Remote hearing care sessions Wireless accessories Compatible accessories include: ReSound TV Streamer ReSound Multi Mic Phone Clip+ Remote Control