MDHearing VoltMax vs Widex Moment
Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

MDHearing VoltMax
The MDHearing VoltMax is a behind-the-ear OTC hearing aid priced at $699, earning a B grade with a SoundScore of 3.0/5 in our lab testing. This places it in the lower tier of the OTC hearing aid category, ranking 62nd out of 65 devices tested. In our testing, the VoltMax delivered mixed results across key performance areas. Its standout strength is excellent feedback handling, scoring a perfect 5.0/5—above the category average by 0.46 points. This means users can expect stable performance without whistling or squealing during typical daily activities. However, speech clarity proved challenging, with speech-in-quiet scoring 1.9/5 (0.93 points below category average) and speech-in-noise at 1.0/5 (0.48 points below average). Own-voice comfort measured 2.4/5, slightly below the category norm. A significant limitation is music streaming, which scored 0.0/5—nearly 2 points below the category average. Users who prioritize phone streaming for calls or media should consider alternatives. The device features rechargeable batteries, offering convenience over disposable options. At this price point, several competitors deliver substantially stronger overall performance. The VoltMax may appeal to budget-conscious consumers who primarily need basic amplification with reliable feedback control and don't require streaming capabilities. Those seeking better speech clarity or music streaming should explore higher-scoring options in this price range.
Choice

Widex Moment
The Widex Moment is a premium behind-the-ear prescription hearing aid that earns an A grade with a SoundScore of 4.6/5 in HearAdvisor's lab testing, placing it in the top 21% of the prescription hearing aid category. Currently available at $3,398, this 2022 release has earned Expert's Choice Awards in both 2023 and 2024. In our testing, the Moment demonstrates particular strength in speech clarity in quiet environments, scoring 4.4/5—a full 0.97 points above the category average. Music streaming quality is another highlight at 3.5/5, which is 0.74 points above average for prescription devices. Speech in noise performance scores 2.4/5, which is above the category average by 0.30 points, though mixed in absolute terms. Feedback handling presents an interesting picture: the Moment scores a strong 4.0/5 in absolute terms, though this falls 0.72 points below the category average of 4.72/5. Own-voice comfort is solid at 3.0/5, sitting 0.30 points above the category average. The Widex Moment is well-suited for users who prioritize natural sound quality and enjoy streaming music or podcasts from their devices. It supports both iPhone and Android streaming with hands-free capability, and features rechargeable batteries for convenience. While premium-priced competitors like the Phonak Sphere Infinio and Oticon Intent score higher overall, the Moment offers a compelling balance of performance across key listening scenarios.
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Performance metrics
Scale 1-5 (Tuned)
Lab metric by fit
Scale 1-5 (Tuned)
Speech level
Adjust input dB (Tuned)
Amplification (REIG)
Insertion gain at 65 dB (Tuned)
Audio scenes
Recorded samples (Tuned)
Fitting configuration for tuned fit