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Product Comparison
Cearvol Diamond X1 vs Olive Union Max
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
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Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech in quiet
Cearvol Diamond X12.7
Olive Union Max2.4
Speech in noise
Cearvol Diamond X11.3
Olive Union Max-0.3
Own voice
Cearvol Diamond X11.7
Olive Union Max1.6
Feedback handling
Cearvol Diamond X14.5
Olive Union Max5.0
Music streaming
Cearvol Diamond X14.1
Olive Union Max4.0
Overall fit score
Cearvol Diamond X13.7
Olive Union Max3.2
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit
Cearvol Diamond X1Olive Union Max
Ear CouplingClosed Dome
Ear CouplingFoam tip
Receiver–
ReceiverIntegrated in device
Fitting Formula–
Fitting FormulaProprietary manufacturer default
Listening Program–
Listening ProgramRestaurant
Volume Setting–
Volume Setting60% (6/10)
Software Version–
Software Versionvm3016d153
Tuning Adjustments–
Tuning AdjustmentsMulti-band equalizer adjusted, Directionality set to "Front", Noise setting at maximum "3", Feedback cancellation "On", Other settings at manufacturer defaults.