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ReSound Key vs. Signia Pure AX

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

From$2,499a pair
From$3,198a pair

Summary

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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Product Description

The Signia Pure AX is a flagship hearing aid launched in May 2021, featuring the new Augmented Xperience (AX) platform. It offers advanced features such as dual processors for separate speech and environmental noise processing, Android and iOS streaming compatibility, and enhanced rechargeable battery life, making it a versatile option for users seeking improved sound quality and convenience.

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Form Factor
RITE
Form Factor
RITE
User Rating
User Rating
Hearing Loss Level
Suitable For
  • Mild
  • Moderate
  • Severe
Hearing Loss Level
Suitable For
  • Mild
  • Moderate
  • Severe

Hardware

Bluetooth® Audio
Protocol
  • Made for iPhone (MFi)
  • Android (ASHA)
Bluetooth® Audio
Protocol
  • Made for iPhone (MFi)
  • Android (ASHA)
Disposable Batteries
Disposable Batteries
Hands-Free Calling
Protocol
  • Accessory required
Hands-Free Calling
Protocol
  • Made for iPhone (MFi)
  • Android (ASHA)
IP Rating (Liquid)
8
IP Rating (Liquid)
8
IP Rating (Solid)
5
IP Rating (Solid)
6
Made For iPhone
Lowest iOS Version
10
Made For iPhone
Lowest iOS Version
9.3
Push Button
Push Button Options
  • Program control
  • Volume Control
Push Button
Rechargeable Batteries
Battery Type
Lithium-ion
Rechargeable Batteries
Battery Type
Lithium-ion
Telecoil
Telecoil
Volume Rocker
Volume Rocker
Yes

Software

Adjustment Bands
6
Adjustment Bands
20
Adjustment Synchronization
Synchronized push button
Synchronized volume control
Adjustment Synchronization
e2e wireless 4.0
Automatic Phone Program
PhoneNow™
Automatic Phone Program
TwinPhone
Bass Boost
Low Frequency Boost: Basic
Bass Boost
Directionality
MultiScope Adaptive Directionality™
Natural Directionality™ II
SoftSwitching™
Synchronized SoftSwitching™
Directionality
Binaural Directionality
Yes
Spatial SpeechFocus
Echo Reduction
Echo Reduction
Auto EchoShield
EchoShield
Environmental Adaptation
Environmental Classifier
Environmental Adaptation
Expansion
On/Off
Expansion
Extended Dynamic Range
Extended Dynamic Range
Yes
Extended bandwidth
Extended bandwidth
12kHz
Feedback Suppression
Auto DFS™
DFS Ultra™ II
Music Mode™
Feedback Suppression
Feedback cancellation
Frequency Lowering
Frequency Lowering
Frequency Compression
Listening Programs
Fully flexible programs: 4
Listening Programs
6
New User Adaptation
Synchronized Acceptance Manager
New User Adaptation
Noise Reduction
NoiseTracker™ II: On/Off
Noise Reduction
SoundSmoothing™: 3
Speech and noise management: 7
Own Voice Comfort
Own Voice Comfort
OVP™ 2.0
Phone Ear Focus
Comfort Phone™
Phone Ear Focus
Power On Delay
SmartStart™
Power On Delay
Processing Channels
Processing Channels
48
Sudden Loud Noise Reduction
Impulse Noise Reduction: On/Off
Sudden Loud Noise Reduction
Tinnitus Relief
Tinnitus Sound Generator
Tinnitus Relief
Tinnitus Relief
Unique Amplification Strategy
WARP compression: 12
Unique Amplification Strategy
Augmented Focus™
Dynamic Soundscape Processing 2.0
Sound Clarity: 5/5
Speech Quality: 5/5
Wind Noise Reduction
Wind Guard: On/Off
Wind Noise Reduction
eWindScreen binaural

Accessories

3.5mm Line to Streaming
  • Multi Mic
3.5mm Line to Streaming
Battery Charger
  • Charger
Battery Charger
  • Pure Charger
  • Pure Dry&Clean Charger
  • Pure Portable Charger
Bluetooth Streamer
  • Unite Phone Clip+
Bluetooth Streamer
  • StreamLine Mic
CROS System
CROS System
FM to Digital Streaming
  • Multi Mic
FM to Digital Streaming
Hearing Aid Dryer
Hearing Aid Dryer
  • Pure Dry&Clean Charger
Power Pack
Power Pack
  • Pure Portable Charger
Remote Adjustments
  • ReSound Smart 3D app
Remote Adjustments
  • Signia App
Remote Control
  • Unite Remote Control 2
  • Unite Phone Clip+
  • ReSound Smart 3D app
  • ReSound Smart 3D app [Watch]
  • Control+
Remote Control
  • Signia App
  • miniPocket
Remote Microphone
  • Multi Mic
  • Micro Mic
Remote Microphone
  • StreamLine Mic
Smartphone App
  • ReSound Smart 3D app
  • Control+
Smartphone App
  • Signia App
Smartphone Streamer + Hands Free
  • Unite Phone Clip+
Smartphone Streamer + Hands Free
  • StreamLine Mic
Smartwatch App
  • ReSound Smart 3D app [Watch]
Smartwatch App
TV Streamer
  • Unite TV Streamer 2
TV Streamer
  • StreamLine TV
Telecoil Streamer
  • Multi Mic
Telecoil Streamer