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Eargo 8 vs. ReSound Key

Check out our comparison of the Eargo 8 vs ReSound Key. See how the two hearing aids differ in terms of technology features, accessories, and more.

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Summary

Product Description

Eargo 8 is Eargo's latest flagship OTC hearing aid, featuring automatic sound environment adjustments, enhanced audio fidelity, and patented device-health monitoring. Designed for adults with mild to moderate hearing loss, it emphasizes user convenience, extended battery life, and robust customer support.

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Product Description

The Resound Key is a budget prescription hearing aid. It features advanced technology for personalized sound adjustments and connectivity options for seamless integration with various devices.

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Form Factor
Instant-Fit CIC
Form Factor
RITE
User Rating
User Rating
Hearing Loss Level
Suitable For
  • Mild
  • Moderate
Hearing Loss Level
Suitable For
  • Mild
  • Moderate
  • Severe

Accessories

3.5mm Line to Streaming
3.5mm Line to Streaming
  • Multi Mic
Battery Charger
  • Charger (Eargo 8)
Battery Charger
  • Charger
Bluetooth Streamer
Bluetooth Streamer
  • Unite Phone Clip+
FM to Digital Streaming
FM to Digital Streaming
  • Multi Mic
Remote Adjustments
Remote Adjustments
  • ReSound Smart 3D app
Remote Control
  • Eargo App
Remote Control
  • Unite Remote Control 2
  • Unite Phone Clip+
  • ReSound Smart 3D app
  • ReSound Smart 3D app [Watch]
  • Control+
Remote Microphone
Remote Microphone
  • Multi Mic
  • Micro Mic
Smartphone App
  • Eargo App
Smartphone App
  • ReSound Smart 3D app
  • Control+
Smartphone Streamer + Hands Free
Smartphone Streamer + Hands Free
  • Unite Phone Clip+
Smartwatch App
Smartwatch App
  • ReSound Smart 3D app [Watch]
TV Streamer
TV Streamer
  • Unite TV Streamer 2
Telecoil Streamer
Telecoil Streamer
  • Multi Mic

Software

Adjustment Bands
Adjustment Bands
6
Adjustment Synchronization
Adjustment Synchronization
Synchronized push button
Synchronized volume control
Automatic Phone Program
Automatic Phone Program
PhoneNow™
Bass Boost
Bass Boost
Low Frequency Boost: Basic
Directionality
Directionality
MultiScope Adaptive Directionality™
Natural Directionality™ II
SoftSwitching™
Synchronized SoftSwitching™
Environmental Adaptation
Smart Sound Adjust
Environmental Adaptation
Environmental Classifier
Expansion
Expansion
On/Off
Feedback Suppression
Feedback Suppression
Auto DFS™
DFS Ultra™ II
Music Mode™
Listening Programs
4
Listening Programs
Fully flexible programs: 4
New User Adaptation
New User Adaptation
Synchronized Acceptance Manager
Noise Reduction
Yes
Noise Reduction
NoiseTracker™ II: On/Off
Phone Ear Focus
Phone Ear Focus
Comfort Phone™
Power On Delay
Power On Delay
SmartStart™
Self-fitting
  • Tuned based on hearing test through device
  • Tuned based on audio preference selections
Self-fitting
Sudden Loud Noise Reduction
Sudden Loud Noise Reduction
Impulse Noise Reduction: On/Off
Tinnitus Relief
Tinnitus Relief
Tinnitus Sound Generator
Unique Amplification Strategy
Superior HD Sound
Unique Amplification Strategy
WARP compression: 12
Wind Noise Reduction
Wind Noise Reduction
Wind Guard: On/Off

Hardware

Bluetooth® Audio
Bluetooth® Audio
Protocol
  • Made for iPhone (MFi)
  • Android (ASHA)
Disposable Batteries
Disposable Batteries
Hands-Free Calling
Hands-Free Calling
Protocol
  • Accessory required
IP Rating (Liquid)
8
IP Rating (Liquid)
8
IP Rating (Solid)
6
IP Rating (Solid)
5
Push Button
Push Button
Push Button Options
  • Program control
  • Volume Control
Rechargeable Batteries
Battery Type
Lithium-ion
Rechargeable Batteries
Battery Type
Lithium-ion
Telecoil
Telecoil
Volume Rocker
Volume Rocker