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Product Comparison
Cearvol Diamond X1 vs Olive Union Air
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 Air3.4
Speech in noise
Cearvol Diamond X11.3
Olive Union Air0.8
Own voice
Cearvol Diamond X11.7
Olive Union Air2.2
Feedback handling
Cearvol Diamond X14.5
Olive Union Air5.0
Music streaming
Cearvol Diamond X14.1
Olive Union Air3.6
Overall fit score
Cearvol Diamond X13.7
Olive Union Air3.9
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Fitting configuration for tuned fit
Cearvol Diamond X1Olive Union Air
Ear CouplingClosed Dome
Ear CouplingFoam tip
Receiver–
ReceiverIntegrated in device
Fitting Formula–
Fitting FormulaProprietary manufacturer default
Listening Program–
Listening ProgramRestaurant
Volume Setting–
Volume Setting90% (9/10)
Software Version–
Software Versionvm4053d1203
Tuning Adjustments–
Tuning AdjustmentsMulti-band equalizer was adjusted, Hearing Settings at "Default", Directionality at "Front", Noise Setting at "3" (max), Feedback Cancellation at "On", Other settings at manufacturer defaults.