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Product Comparison

MDHearing Neo XS vs MDHearing VoltMax

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
MDHearing Neo XS Hero
MDHearingSoundGrade C

MDHearing Neo XS

The MDHearing Neo XS is a budget-priced OTC hearing aid in the invisible-in-ear style, available for $397. In HearAdvisor lab testing, it earned a C grade with a SoundScore of 2.9/5, ranking #63 of 65 OTC hearing aids tested. Performance results reveal a mixed profile. The Neo XS shows strength in own-voice comfort, scoring 3.2/5—0.69 points above the category average—meaning wearers may experience less of the "boomy" quality that can accompany hearing aid use. Feedback handling is excellent at 5.0/5, sitting 0.46 points above average, so users should experience stable performance without whistling during typical wear. However, speech clarity is a significant limitation. Speech in quiet scores just 1.0/5, falling 1.77 points below the OTC category average. Speech in noise also scores 1.0/5, 0.48 points below average. Music streaming scored 0.0/5, which is 1.92 points below the category average—this device is not suited for audio entertainment. At this price point, several alternatives offer notably stronger performance. The Elehear Beyond (4.36/5), Apple AirPods Pro 2 (4.06/5), and Zepp Clarity Omni (3.88/5) all deliver better overall sound quality in the same price range. The Neo XS may appeal to those prioritizing own-voice comfort and feedback stability over speech intelligibility, but most users seeking meaningful hearing benefit should consider higher-scoring options.

MDHearing VoltMax Hero
MDSoundGrade B

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 mid-priced device ranks #62 of 65 in the OTC Hearing Aid category, placing it in the bottom portion of tested products. In our standardized testing, the VoltMax demonstrates excellent feedback handling at 5.0/5, scoring 0.46 points above the category average. This means users are unlikely to experience whistling or squealing during typical wear. However, speech performance presents significant challenges—speech in quiet scores a low 1.9/5 (0.93 points below average), while speech in noise scores 1.0/5 (0.48 points below average). These results suggest limited benefit for understanding conversation in both calm and challenging listening environments. Music streaming is a notable weakness, scoring 0.0/5 and falling 1.92 points below the category average. Users who prioritize streaming audio content from their phones should consider alternatives. Own-voice comfort is mixed at 2.4/5, roughly matching the category average. At this price point, several alternatives offer substantially stronger performance. Devices like the Yeasound RIC800 and Sony CRE-E10 score above 4.5/5 at similar or lower prices. The VoltMax may appeal to users who prioritize feedback-free wear and basic amplification with rechargeable convenience, but those seeking stronger speech clarity should explore higher-performing options in this price range.

Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
MDHearing Neo XS1.0
MDHearing VoltMax1.9
Speech in noiseNew
MDHearing Neo XS1.0
MDHearing VoltMax1.0
Own voice
MDHearing Neo XS3.2
MDHearing VoltMax2.4
Feedback handling
MDHearing Neo XS5.0
MDHearing VoltMax5.0
Music streaming
MDHearing Neo XS0.0
MDHearing VoltMax0.0
Overall fit score
MDHearing Neo XS2.9
MDHearing VoltMax3.1

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Audio scenes

Using MUSHRA scenes (Tuned)

No sample
No sample

Fitting configuration for tuned fit

MDHearing Neo XSMDHearing VoltMax
Ear CouplingSleeve Vented
Ear CouplingSleeve Closed