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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.

ReSound Key
RemoveReSound Key
Model
  • ReSound Key RIE 61
  • ReSound Key RIE 62
Level
  • ReSound Key 4
  • ReSound Key 3
  • ReSound Key 2
ReSound Key
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Signia Pure AX
RemoveSignia Pure AX
Model
  • Signia Pure AX 312
  • Signia Pure AX Charge&Go AX
  • Signia Pure AX Charge&Go T AX
Level
  • Signia Pure AX 7AX
  • Signia Pure AX 5AX
  • Signia Pure AX 3AX
Signia Pure AX
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Product Overview

Form Factor
RITE
RITE
User Rating
4.0
1 review
4.0
6 reviews
Hearing Loss Level
Suitable For
  • Mild
  • Moderate
  • Severe
Suitable For
  • Mild
  • Moderate
  • Severe
Product Family
2 models
3 models
Retail Price
$3,966
$6,881

Hardware Features

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

Software Features

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

Accessories

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