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Product Comparison
Cearvol Diamond X1 vs Starkey Evolv AI
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
Expert
Choice
Choice
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Speech in quiet
Cearvol Diamond X12.7
Starkey Evolv AI4.4
Speech in noise
Cearvol Diamond X11.3
Starkey Evolv AI3.5
Own voice
Cearvol Diamond X11.7
Starkey Evolv AI2.1
Feedback handling
Cearvol Diamond X14.5
Starkey Evolv AI3.5
Music streaming
Cearvol Diamond X14.1
Starkey Evolv AI3.7
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Using MUSHRA scenes (Tuned)