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Product Comparison

Cearvol Diamond X1 vs Sony CRE-C20

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
Cearvol Diamond X1 Hero
CearvolSoundGrade B

Cearvol Diamond X1

HearAdvisor lab-tested performance overview.

Sony CRE-C20 Hero
SonySoundGrade B

Sony CRE-C20

HearAdvisor lab-tested performance overview.

Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Speech in quiet
Cearvol Diamond X12.7
Sony CRE-C204.7
Speech in noise
Cearvol Diamond X11.3
Sony CRE-C203.2
Own voice
Cearvol Diamond X11.7
Sony CRE-C202.9
Feedback handling
Cearvol Diamond X14.5
Sony CRE-C203.9
Music streaming
Cearvol Diamond X14.1

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Audio scenes

Using MUSHRA scenes (Tuned)