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Commissions we earn from partner links on this page do not affect our evaluations. Our performance data is based on objective laboratory research at HearAdvisor.

Phonak Bolero M vs Signia Styletto AX

Check out our comparison of the Phonak Bolero M vs Signia Styletto AX. Listen to audio samples and see how the two hearing aids differ in terms of sound performance, features, accessories, and more.

Phonak Bolero M
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Phonak Bolero M
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Signia Styletto AX
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Signia Styletto AX
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Product Overview

Form Factor
BTE-F
RITE
User Rating
Hearing Loss Level
Suitable For
  • Mild
  • Moderate
  • Severe
Suitable For
  • Mild
  • Moderate
  • Severe
Product Family
1 model
Retail Price
$6,247
N/A

Sound Performance

Expert Choice
Untested
Sound Score
N/A
4.2
Speech in quiet
N/A
3.8
Speech in noise
N/A
2.0
My own voice
N/A
3.1
No feedback issues
N/A
4.1
Streaming quality
N/A
3.3

Audio Comparison

Busy Café
Audio not available
Audio not available
Audio not available
Open Ear
Initial Fitting
Tuned Fitting
Quiet Office
Audio not available
Audio not available
Audio not available
Open Ear
Initial Fitting
Tuned Fitting
Streaming Music
Audio not available
Audio not available
Audio not available
Open Ear
Initial Fitting
Tuned Fitting
HearingTracker partners with HearAdvisor to provide recordings and performance data from an acoustic laboratory that follows the standard scientific procedures described in this whitepaper. All hearing aids are fitted and performance-tested for mild sloping to moderate hearing loss. All audio samples cutoff above 10kHz.

Hardware Features

Bluetooth® Audio
Protocol
  • Bluetooth® (A2DP)
Protocol
  • Made for iPhone (MFi)
Disposable Batteries
Battery Size
312
Hands-Free Calling
Protocol
  • Bluetooth® (HFP)
Protocol
  • Accessory required
IP Rating (Liquid)
8
8
IP Rating (Solid)
6
6
Made For iPhone
Lowest iOS Version
9.3
Push Button
Push Button Options
  • Program control
  • Volume Control
  • Mute control
Rechargeable Batteries
Battery Type
Lithium-ion
Telecoil
Yes
Volume Rocker
Yes
Water Resistant Coating
Yes
Yes

Software Features

Adjustment Bands
20
20
Adjustment Synchronization
QuickSync
e2e wireless 4.0
Audio Stream Mixer
Environmental Balance
Automatic Phone Program
EasyPhone
TwinPhone
Directionality
UltraZoom: Premium
Binaural Directionality
Yes
Spatial SpeechFocus
Ear Simulation
Real Ear Sound
Echo Reduction
EchoBlock
Auto EchoShield
EchoShield
Environmental Adaptation
AutoSense OS: 3.0
Extended Dynamic Range
Yes
Extended bandwidth
12kHz
Feedback Suppression
WhistleBlock
Feedback cancellation
Frequency Lowering
SoundRecover2
Frequency Compression
Listening Programs
3
6
New User Adaptation
auto Acclimatization
Noise Reduction
NoiseBlock
SoundSmoothing™: 3
Speech and noise management: 7
Occlusion Reduction
AOV
Own Voice Comfort
OVP™ 2.0
Phone in Stereo
DuoPhone
Preference Adaptation
User Preference Tuning
Processing Channels
48
Spatial Noise Cancellation
SNR-Boost
Sudden Loud Noise Reduction
SoundRelax
Tinnitus Relief
Tinnitus Balance
Tinnitus Relief
Unique Amplification Strategy
Augmented Focus™
Dynamic Soundscape Processing 2.0
Sound Clarity: 5/5
Speech Quality: 5/5
Wind Noise Reduction
WindBlock
eWindScreen binaural

Accessories

3.5mm Line to Streaming
  • Roger EasyPen
Accessory Connectivity
  • RogerDirect™
Battery Charger
  • Charger with Qi-Charger Pad
Bluetooth Streamer
  • StreamLine Mic
Landline to Streaming
  • Roger Select™
Remote Adjustments
  • myPhonak App
  • Signia App
Remote Control
  • myPhonak App
  • RemoteControl
  • miniPocket
  • Signia App
Remote Mic Neckloop
  • Roger MyLink
Remote Microphone
  • Roger EasyPen
  • Roger Pen
  • Roger Select™
  • Roger Table Mic II
  • PartnerMic™
  • Roger On
  • StreamLine Mic
Remote Microphone (Mesh)
  • Roger EasyPen
  • Roger Table Mic II
Smartphone App
  • myPhonak App
  • Signia App
Smartphone Streamer
  • Roger Select™
Smartphone Streamer + Hands Free
  • Roger Select™
  • StreamLine Mic
TV Streamer
  • Roger Select™
  • TV Connector
  • Roger On
  • StreamLine TV