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Product Comparison
MDHearing VoltMax 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
Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech in quiet
MDHearing VoltMax2.0
Olive Union Max2.4
Speech in noise
MDHearing VoltMax-0.4
Olive Union Max-0.3
Own voice
MDHearing VoltMax2.4
Olive Union Max1.6
Feedback handling
MDHearing VoltMax5.0
Olive Union Max5.0
Music streaming
MDHearing VoltMax0.0
Olive Union Max4.0
Overall fit score
MDHearing VoltMax2.7
Olive Union Max3.2
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Using MUSHRA scenes (Tuned)
No sample
No sample
No sample
No sample
No sample
No sample
No sample
No sample
No sample
Fitting configuration for tuned fit
MDHearing VoltMaxOlive Union Max
Ear CouplingSleeve Closed
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.