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Product Comparison
Cearvol Diamond X1 vs HearingAssist Control
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.
Uses official HearAdvisor lab data
HearingAssistSoundGrade B
HearingAssist Control
HearAdvisor lab-tested performance overview.
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Cearvol Diamond X12.7
HearingAssist Control3.2
Speech in noise
Cearvol Diamond X11.3
HearingAssist Control1.9
Own voice
Cearvol Diamond X11.7
HearingAssist Control2.1
Feedback handling
Cearvol Diamond X14.5
HearingAssist Control5.0
Music streaming
Cearvol Diamond X14.1
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Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Using MUSHRA scenes (Tuned)