Cearvol Diamond X1
Expert
Choice

Cearvol Diamond X1 Expert Review

Released 
Budget OTC
Summary
The Cearvol Diamond X1 is a budget OTC hearing aid that fits in the ear and uses rechargeable batteries. It achieved a SoundGrade of B which places it in the bottom 45% in its category and the bottom 40% of all devices tested.
In the initial fit condition, the Cearvol Diamond X1 performed below average on speech in quiet, below average on speech in noise, below average on feedback handling, below average on occlusion results, and well above average on music streaming quality. The overall fit score in the initial condition for the Cearvol Diamond X1 was above average.
In the tuned fit condition, the Cearvol Diamond X1 performed below average on speech in quiet, below average on speech in noise, above average on feedback handling, below average on occlusion results, and well above average on music streaming quality. The overall fit score in the tuned condition for the Cearvol Diamond X1 was above average.

State-of-the-art Acoustic Laboratory

Quality data starts with quality recordings, that is why we worked with GRAS to build a no-compromise front end.

Score
B
SoundGrade
Initial Score
3.4
Tuned Score
3.6
Expert
Choice
Speech in quiet

Speech intelligibility improvement in quiet and moderate environments

best
2.3
Top score
5.0
Own voice

Does your voice feel natural and not “boomy”

best
1.7
Top score
5.0
Speech in noise

Speech intelligibility improvement in loud environments

best
1.1
Top score
5.0
Music streaming

Streaming music provides a full range of bass and treble

best
4.1
Top score
5.0
Feedback handling

How well the device limits feedback / squealing – even when your hand is near your ear

best
4.5
Top score
5.0
Speech in quiet

Speech intelligibility improvement in quiet and moderate environments

best
2.7
Top score
5.0
Own voice

Does your voice feel natural and not “boomy”

best
1.7
Top score
5.0
Speech in noise

Speech intelligibility improvement in loud environments

best
1.3
Top score
5.0
Music streaming

Streaming music provides a full range of bass and treble

best
4.1
Top score
5.0
Feedback handling

How well the device limits feedback / squealing – even when your hand is near your ear

best
4.5
Top score
5.0
Graph
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Speech Levels - Initial
Speech Levels - Tuned
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Specs
Visible in Ear
Visible in Ear
Rechargeable Batteries
Rechargeable Batteries
iPhone Streaming
iPhone Streaming
Android Streaming
Android Streaming