MDHearing VOLT MAX source record

Published sources describe the original VOLT MAX as a rechargeable OTC behind-the-ear device with app-based volume and program control, four listening programs and no Bluetooth audio streaming. One independent lab reported below-category speech-in-noise results and strong feedback handling. Sources disagree or have since moved to VOLT MAX 2 details, so confirm the exact model, battery runtime, price and seller terms.

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Recorded use tags: Mild to moderate hearing loss · Budget buyers · Quiet to moderate environments · First time hearing aid users

Reported specs at a glance

Channel
OTC (no prescription)
Reported price from
$699
Style
BTE
Power
Rechargeable
Bluetooth audio reported
No
Released
2022
Form factor
Behind-the-ear (BTE), mini thin-tube
Regulatory status
FDA-registered OTC, Class II (mild-to-moderate loss)
Processor
16-channel digital
Microphones
Adaptive directional
Programs
4 (adaptive, quiet, social, restaurant)
Power
Rechargeable, ~90-minute charge time
Battery life
Sources disagree; MDHearing's VOLT MAX 2 launch cites ~8 hours for the original VOLT MAX, while some third-party reviews list up to 15 hours
Charging case
Up to ~3 additional full charges
Bluetooth
App control/volume only (no audio streaming on this model)
App
MDHearing app (iOS/Android), remote support adjustments
Warranty
1-year warranty
Trial
60-day trial reported by the manufacturer

Reported strengths to verify

  • Low entry price for a rechargeable BTE that pairs with a smartphone app
  • Included charging case adds up to three more full charges away from an outlet
  • Four selectable programs (adaptive, quiet, social, restaurant) plus on-device buttons, so a phone is not required
  • Manufacturer material reported OTC status, a 60-day trial and a 1-year warranty
  • Excellent feedback handling in independent lab testing

Worth checking

  • App handles control only on this model, with no Bluetooth audio streaming for music or calls
  • Independent lab testing scored speech-in-noise well below average (HearAdvisor SoundGrade C, bottom 20% of OTC aids tested)
  • Connectivity and sound quality were inconsistent in some reviewer testing
  • Battery life per charge is modest and sources disagree, with MDHearing's own VOLT MAX 2 launch citing roughly 8 hours for the original VOLT MAX

Common questions

Does the MDHearing VOLT MAX stream phone calls and music?

No. On the original VOLT MAX the Bluetooth connection is used for the MDHearing app to control volume, switch programs, and enable remote support, and it does not stream audio. Bluetooth audio streaming was added on the later VOLT MAX 2.

Is the VOLT MAX a prescription or over-the-counter hearing aid?

It is an over-the-counter (OTC) device. It is FDA-registered as a Class II medical device intended for adults with perceived mild-to-moderate hearing loss, so no prescription or clinic visit is required.

How long does the battery last and how do you charge it?

Sources disagree. MDHearing's own VOLT MAX 2 launch describes the original VOLT MAX as providing about 8 hours per charge, while some third-party reviews list up to 15 hours (a figure that now overlaps with the newer VOLT MAX 2). Charge time is roughly 90 minutes, and the included portable case provides about three additional full charges when you are away from an outlet.

How good is the sound quality, especially in noise?

Reviews describe it as solid for quiet and moderate settings but limited in noisy ones. In HearAdvisor lab testing it earned a SoundGrade of C, with well-below-average speech-in-noise performance but excellent feedback handling, so it suits calmer environments better than busy restaurants.

This record compiles manufacturer and secondary-source specifications (2026-06-16); it is not hands-on testing or independent specification verification. Confirm current details with the manufacturer and seek a qualified hearing assessment. Information only, not medical advice.

Sources for this record

These links support the reported fields and research summary. Retail terms and availability can change after the cited material was published.

  • Manufacturer product page: BTE style, rechargeable, charging case ~3 charges, app control, FDA-registered OTC, 60-day trial, 1-year warranty (note: this URL now displays the VOLT MAX 2) Check at mdhearingaid.com →
  • Launch blog (Apr 2022): launched at $699.98/pair, ~90-min charge, case charges up to 3x, adaptive directional mics, 4 programs (adaptive/quiet/social/restaurant); no battery-hours or streaming claim stated Check at mdhearingaid.com →
  • VOLT MAX 2 launch blog: original VOLT MAX provided about 8 hours per charge (per customer feedback); VOLT MAX 2 nearly doubles this to up to 15 hours and adds Bluetooth Check at mdhearingaid.com →
  • NCOA review: BTE, rechargeable with case, OTC, app controls; now lists ~$597/pair and Bluetooth streaming (VOLT MAX 2 specs) under the VOLT MAX name Check at ncoa.org →
  • Soundly review: BTE, rechargeable, app/button volume control, 4 environment settings, affordable/basic positioning, limited noise management Check at soundly.com →
  • HearAdvisor expert/lab review: $699, released 2022, SoundGrade C, bottom 20% of OTC, speech-in-noise -0.6 (well below avg), feedback handling 5.0 (perfect), music streaming 0.0 Check at hearadvisor.com →
  • MedGrade product page: VOLT MAX listed as Bluetooth app control only, no audio streaming; case up to three additional charges Check at medgrade.org →
  • HearingTracker: VOLT MAX ranked #6 on Best OTC Hearing Aids for 2023 Check at hearingtracker.com →