MDHearing VoltMax Hero

MDHearing VoltMax Expert Review

Mid-Priced OTCReleased 2022
How We Test

The MDHearing VoltMax is a mid-priced OTC behind-the-ear hearing aid released in 2022 at $699. In our lab testing, it achieved a SoundGrade of C, placing it in the bottom 20% of OTC hearing aids we've evaluated.

The VoltMax struggles significantly with speech intelligibility, particularly in noisy environments where it scored well below the category average. Speech in quiet performance was also below average, which limits its usefulness across common listening situations. The one bright spot is feedback handling, where the device performed above average with a perfect score in both fit conditions—users shouldn't experience whistling or squealing issues.

At this price point, the VoltMax faces stiff competition from substantially better-performing alternatives. Devices like the Sony CRE-E10 and Elehear Beyond Pro offer dramatically superior sound performance in the same price range. Even MDHearing's own lower-priced Volt model at $397 outperformed the VoltMax in our testing, achieving a higher overall sound score.

The VoltMax may appeal to users who prioritize feedback-free operation above all else, but most consumers seeking a mid-priced OTC solution would be better served by exploring the numerous alternatives that deliver significantly better speech clarity for similar or lower investment.

Lab Test Summary

In the initial fit condition with a vented sleeve coupling, the MDHearing VoltMax delivered below-average speech intelligibility in quiet and struggled substantially in noisy environments, scoring in negative territory for speech in noise. Feedback handling was a standout at 5.0/5, indicating excellent stability without whistling. Own-voice comfort measured slightly above average, suggesting acceptable occlusion levels with the vented fitting. The overall initial fit score of 1.33/5 reflects well-below-average out-of-box performance compared to other OTC devices.

What is HearAdvisor's Initial Fit?

The Initial Fit approximates the most likely settings and eartips for a typical moderate hearing loss. Results are measured across the same 72 acoustic scenes in our custom-built lab, then scored on a 5-star scale using an auditory model.

Lab Review Scores
C
SoundGrade
Initial Score
2.4
Tuned Score
2.6
Speech in quiet
best
1.5
5.0
Own voice
best
2.6
5.0
Speech in noise
best
-0.6
5.0
Feedback handling
best
5.0
5.0
Music streaming
best
0.0
5.0

State-of-the-art Acoustic Laboratory

Quality data starts with quality recordings. HearAdvisor worked with GRAS to build a no-compromise front end so every test is repeatable and reliable.

Learn more
Steve in HearAdvisor Lab
Graph
Lab Recordings
Adjust volume to make "No hearing aids" as loud as it would be in the real world, without hearing aids. Remove hearing aids while auditioning. High-quality headphones will improve results!
MDHearing VoltMax Lab
Lab Notes
Initial Fitting
Tuned Fitting
Ear Coupling
Initial Fitting
Sleeve Vented
Tuned Fitting
Sleeve Closed
Specs
Behind Ear
Behind Ear
Rechargeable Batteries
Rechargeable Batteries