ReSound Key 398 SP BTE Hearing Aid – 8 Channels, Size 675 Battery, Super Power, Bluetooth
ReSound Key 398 SP BTE Hearing Aid – 8 Channels, Size 675 Battery with Super Power Amplification Reliable High-Power Hearing Solution for Severe to Profound Hearing Loss The...
- Place your order today
- Email your audiogram to sales@hearsilk.com
- We program it within 1–2 business days
- Ships to your door — unbox, hear clearly
What Makes This Special?
Reliable entry-level platform designed for natural sound and everyday hearing comfort.
Provides essential sound clarity with basic customization for daily listening needs.
High output power suitable for severe to profound hearing loss users.
Large zinc-air battery offers long-lasting performance ideal for high power devices.
Supports direct streaming from compatible smartphones for calls and media.
Adjust volume, programs, and personalize settings easily via mobile app.
Reduces background noise and focuses on speech for improved clarity.
Minimizes whistling sounds for a stable listening experience.
Strong and easy-to-handle design suitable for daily long-term use.
The ideal choice for:
- Individuals with severe to profound hearing loss
- Users needing high amplification at lower cost
- People who prefer long battery backup instead of rechargeable
- Users looking for basic but reliable performance
- Adults preferring strong and durable BTE design
- First-time users in SP category
- Customers seeking budget-friendly ReSound hearing aid
Full Specifications
What's in the Box
Description
ReSound Key 398 SP BTE Hearing Aid – 8 Channels, Size 675 Battery with Super Power Amplification
Reliable High-Power Hearing Solution for Severe to Profound Hearing Loss
The ReSound Key 398 SP BTE is a powerful behind-the-ear hearing aid designed for individuals with severe to profound hearing loss. Built on the trusted ReSound Key platform, it features 8 WARP processing channels to provide clear sound, stable amplification, and dependable everyday performance.
With its Size 675 battery, this model ensures long-lasting usage and high output, making it ideal for users who require strong amplification and reliability.
Key Features & Benefits
-
8 WARP Processing Channels:
Provides balanced sound clarity and stable amplification. -
ReSound Key Platform:
Ensures reliable and consistent hearing performance for daily use. -
Super Power Amplification:
Delivers high output suitable for severe to profound hearing loss. -
Natural Directionality II:
Maintains awareness of surroundings while improving speech understanding. -
Noise Tracker II:
Reduces background noise without affecting speech clarity. -
Wind Guard Technology:
Minimizes wind noise for better outdoor listening. -
DFS Ultra Feedback Cancellation:
Prevents whistling and ensures stable amplification. -
Size 675 Battery Powered:
Provides long-lasting performance with easy battery replacement.
Connectivity & Smart Features
- 2.4 GHz Bluetooth wireless connectivity
- Direct streaming from iPhone & Android devices
- ReSound Smart 3D App for control and personalization
- ReSound Assist for remote adjustments
- Compatible with ReSound wireless accessories (TV Streamer, Multi Mic)
Technical Overview
| Model | ReSound Key 398 SP BTE |
| Platform | ReSound Key |
| Technology Level | 3 (Mid-Level Entry) |
| Processing Channels | 8 Channels |
| Style | Super Power BTE (SP BTE) |
| Fitting Range | Severe to Profound Hearing Loss |
| Battery Type | Size 675 Zinc-Air |
| Connectivity | Bluetooth (2.4 GHz) |
| App Support | ReSound Smart 3D App |
| Noise Management | Noise Tracker II + Wind Guard |
| Feedback Control | DFS Ultra |
Who Should Choose This Hearing Aid?
- Individuals with severe to profound hearing loss
- Users requiring Super Power BTE amplification
- Patients needing essential digital hearing technology
- People who prefer reliable battery-operated hearing aids
- Adults who need strong and stable amplification for everyday listening
- Users looking for simple controls and dependable performance
- Anyone who refuses to pay $3,000–$5,000 at a clinic
What’s Included in the Box?
- ReSound Key 398 SP BTE hearing aid(s)
- Battery (Size 675)
- Ear hook / tubing
- User documentation
Need Help Choosing?
Our hearing specialists can help you select the right hearing aid based on your hearing profile and lifestyle needs.
Contact us for expert consultation and professional fitting support.
Frequently Asked Questions
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You've Been Told Hearing Aids Cost $4,000–$6,000.
So you put it off. For months. Maybe years. You've been missing conversations, TV, music — and your quality of life.
“The average American waits 7 years before getting help with hearing loss.
— National Institute on Deafness
Same Quality. A Fraction of the Cost.
- FDA registered, audiologist-grade hearing aids
- Free programming by licensed audiologists
- Ships from USA — arrives in 3–5 business days
- 15-day risk-free return policy
- Bluetooth streaming to iPhone and Android





