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Product Comparison

MDHearing Volt vs Sennheiser All Day Clear

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 Volt Hero
MDSoundGrade B

MDHearing Volt

The MDHearing Volt is a budget-priced prescription hearing aid available for $397, earning a B grade with a SoundScore of 3.1/5 in our lab testing. This behind-the-ear, rechargeable device ranks #32 of 36 prescription hearing aids tested, placing it in the top 86% of its category. In our standardized testing, the Volt demonstrates excellent feedback handling at 5.0/5, scoring 0.29 points above the category average. This represents a genuine strength, as the device remained stable under our challenge protocols without audible squealing or whistling. However, speech performance presents significant limitations: speech in quiet scored 1.8/5 (1.57 points below the category average of 3.32), while speech in noise scored 1.0/5 (0.96 points below the 1.96 average). Own-voice comfort measured 2.6/5, a mixed result that falls 0.15 points below the category average. Music streaming is notably limited at 0.0/5, scoring 2.64 points below the category average—users prioritizing phone streaming should consider alternatives. The Volt showed no improvement between Initial and Tuned fits, with both configurations yielding identical scores of 3.1/5. The MDHearing Volt may suit budget-conscious consumers who prioritize basic amplification and excellent feedback stability over speech clarity or streaming features. However, shoppers in this price range should note that alternatives like the RxEars Rxi offer substantially higher performance at similar pricing.

Expert Choice
Expert
Choice
Product Image
SennheiserSoundGrade A

Sennheiser All Day Clear

The Sennheiser All Day Clear is a mid-priced OTC hearing aid that earns an A grade with a SoundScore of 4.4/5, placing it in the top 8% of the OTC category and ranking #6 among 65 tested devices. At $949, this behind-the-ear device delivers strong overall performance that stands out in a crowded market. In our lab testing, the All Day Clear excels in speech clarity for quiet environments, scoring 4.0/5—a strong result that sits 1.25 points above the category average. Music streaming quality is another highlight, with a solid 3.3/5 score that's 1.38 points above average, making it one of the better choices for users who value audio fidelity beyond speech. Feedback handling is excellent at 5.0/5, meaning users should experience minimal whistling issues. The device shows more modest performance in challenging listening situations. Speech in noise scores 1.9/5, which is above the category average by 0.39 points but low in absolute terms—a common limitation across OTC devices. Own voice comfort is mixed at 2.5/5, essentially matching the category average. Best for: Consumers seeking a reliable OTC option with strong speech clarity in everyday quiet-to-moderate environments and quality music streaming. Those frequently in noisy settings may find the speech-in-noise performance limiting, though this reflects broader OTC category constraints rather than a specific weakness of this device.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
MDHearing Volt1.8
Sennheiser All Day Clear4.0
Speech in noiseNew
MDHearing Volt1.0
Sennheiser All Day Clear1.9
Own voice
MDHearing Volt2.6
Sennheiser All Day Clear2.5
Feedback handling
MDHearing Volt5.0
Sennheiser All Day Clear5.0
Music streaming
MDHearing Volt0.0
Sennheiser All Day Clear3.3
Overall fit score
MDHearing Volt3.1
Sennheiser All Day Clear4.4

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

MDHearing VoltSennheiser All Day Clear
Ear CouplingSleeve Closed
Ear CouplingClosed Vented Dome
Receiver
ReceiverStandard
Fitting Formula
Fitting FormulaProprietary manufacturer default
Listening Program
Listening ProgramAutomatic
Volume Setting
Volume Setting-4
Software Version
Software VersionUnknown
Tuning Adjustments
Tuning Adjustments3-Band EQ adjusted (Bass - 5, Mid - 4, Treble - 4), Other settings and manufacturer defaults