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

Lucid Enrich Pro
The Lucid Enrich Pro is a budget-priced OTC hearing aid available for $200, earning a B grade with a SoundScore of 3.7/5 in our lab testing. This visible-in-ear style device ranks #31 of 65 OTC hearing aids tested, placing it in the top 46% of its category. The Enrich Pro's standout strength is speech understanding in quiet environments, scoring 3.8/5—nearly a full point above the OTC category average. This solid performance in everyday conversation settings is notable for a device at this price point. Speech in noise measures 1.7/5, which is above the category average but low in absolute terms, indicating limited benefit in challenging acoustic environments like restaurants or group gatherings. Feedback handling is strong at 4.0/5, though slightly below the category average of 4.54/5. Own-voice comfort scores 2.0/5, falling below average and suggesting some users may notice their own voice sounds unnatural. Music streaming is not supported on this device, scoring 0.0/5. The Enrich Pro uses disposable batteries rather than rechargeables. This budget OTC option is best suited for individuals primarily seeking help with face-to-face conversations in quieter settings who don't require streaming capabilities. Buyers prioritizing music streaming or challenging noise environments may want to consider alternatives like the higher-scoring Elehear Beyond or Apple AirPods Pro 2 in this price range.

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.
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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