Uvex Whisper+ Review: NRR 24 Corded Foam Plugs

Uvex Whisper+ Review: NRR 24 Corded Foam Plugs — the short answer

Short answer: this uvex whisper+ review covers corded polyurethane FOAM plugs at NRR 24 - foam qualifies for the gentler 50 percent NIOSH tier rather than the 70 percent every other plug type gets, so the derated figure is better than the label gap suggests. The reviewed listing is live here; plan the exposure on the derated figure, not on NRR 24. Everything in this family is used under OSHA 29 CFR 1910.95, which means a hearing conservation program once the 85 dBA action level is reached: noise monitoring, a baseline and then annual audiograms, a real choice of protectors at no cost, and annual training.

Are the Uvex Whisper+ Corded Earplugs Right for Your Job Site?

Published June 19, 2026 · Last updated July 27, 2026

NRR 24 dB. Washable flanged design. Cord that keeps both plugs together between uses. Those three facts describe the Uvex Whisper+ Corded Earplugs in a sentence — and they are exactly what a safety buyer scanning a catalog needs to know before reading further. But NRR numbers and feature bullets only tell part of the story. Real-world protection depends on fit, compliance, and how a plug holds up across multiple shifts. This review unpacks all of it.

The Uvex Whisper+ (SKU 2111238) occupies a useful middle ground in hearing protection: it offers the consistent attenuation of a flanged reusable earplug without the cost-per-use overhead of disposable foam. At its listed price for 50 pairs, you are paying roughly Listed price — meaningfully more than bulk foam, but each pair is washable and rated for multiple re-uses, which changes the per-use math significantly in most industrial and manufacturing environments.

This review uses specs drawn directly from the product page and Uvex published data, cross-referenced against ANSI S3.19 methodology and OSHA 29 CFR 1910.95 requirements. No claims here are invented or inferred beyond those sources.

Who the Uvex Whisper+ Corded Earplugs Are For

The Whisper+ Corded is designed for workers who move in and out of hazardous noise zones repeatedly throughout a shift — machining, assembly lines, maintenance rounds, and warehousing are typical environments. The cord is the key feature here: it lets a worker pull plugs out while communicating with a supervisor, let them hang around the neck, and re-insert quickly without hunting for a lost earplug. That behavioral loop — insert, work, remove, hang, re-insert — is exactly what cord designs are engineered to support.

Workers who stay inside a noise hazard zone for an entire shift without removal are often better served by ear muffs or higher-NRR foam plugs. Workers who never leave the zone do not benefit from the cord. The sweet spot is intermittent exposure with frequent removal and re-insertion.

See our full comparison of protection types in the Reusable vs. Disposable Earplugs guide and the broader Best Hearing Protection guide.

Strengths of the Uvex Whisper+ Corded

NRR 24 dB: Adequate for Most OSHA-Regulated Workplaces

Under OSHA's mandatory 50% derating formula (OSHA 29 CFR 1910.95 Appendix B), NRR 24 dB translates to approximately 9 dB of effective noise reduction at the ear. That means a worker exposed to 99 dBA — typical of many light manufacturing environments — would experience an effective exposure of about 90 dBA at the ear, sitting at OSHA's permissible exposure limit (PEL) for an 8-hour TWA.

For workplaces between 85 and 99 dBA, where OSHA's hearing conservation action level (85 dBA TWA) is triggered but exposures remain within a single earplug's practical coverage, the Whisper+ delivers compliant protection. Environments above 100 dBA typically require higher-NRR earplugs or dual protection (plugs plus muffs). Review your site's noise measurements before specifying this product as your sole control. For a complete breakdown of NRR math, see the NRR Hearing Protection Guide.

Washable Flanged Construction Reduces Per-Use Cost

Unlike single-use foam roll-down earplugs, the Whisper+ is washable with mild soap and water. Each pair can be cleaned at the end of a shift and re-used until physical degradation — cracking, hardening, or visible soiling — requires replacement. In practice, a well-maintained pair may last weeks of daily use, lowering effective cost per use below the nominal Listed price -per-pair purchase price. The flanged design also provides more predictable attenuation than foam because insertion depth is controlled by the flange geometry, not by how well a worker has rolled and compressed a foam plug.

Cord Design Supports Compliance in Variable-Exposure Environments

Lost earplugs are a real compliance problem in facilities with intermittent noise hazards. Workers who pocket foam plugs frequently lose or forget them; workers who set them on a workbench may pick up someone else's. A cord tethered between both plugs eliminates that failure mode. The Whisper+'s cord allows plugs to hang around the neck between uses, keeping them clean, accessible, and ready for re-insertion. That directly supports compliance with OSHA 1910.95's requirement that hearing protection be worn whenever an employee is exposed at or above the action level. See the Hearing Conservation Program guide for program implementation detail.

ANSI S3.19 Certified Attenuation Data

The NRR 24 dB figure is derived from testing conducted under ANSI S3.19, the American National Standard for the measurement of real-ear attenuation of hearing protectors. This standard uses trained panelists in laboratory conditions to produce the octave-band attenuation data that feeds the NRR calculation. The resulting NRR appears on the product label and in regulatory compliance documentation. While real-world attenuation typically falls below laboratory values — hence OSHA's 50% derating — the ANSI S3.19 process provides a consistent, comparable baseline for evaluating products across the market. Buyers can cite the NRR in their written hearing conservation programs and exposure assessments.

50-Pair Pack Suits Safety Supply Purchasing

At 50 pairs per pack, the Whisper+ is structured for bulk safety supply procurement rather than individual consumer purchase. Safety managers stocking a supply cabinet, issuing earplugs during new-hire orientation, or maintaining replacement inventory on a production floor can issue pairs and track consumption by the pack. The corded design also simplifies tracking: each pair is a discrete item, not two loose plugs that can drift apart in a shared bin. Browse the full ear plugs collection and the broader hearing protection collection for quantity pricing on comparable products.

Limitations to Know Before You Buy

NRR 24 dB Has a Hard Ceiling

Facilities with noise levels above 100 dBA — heavy stamping presses, shot blast rooms, certain grinding operations — need more attenuation than NRR 24 dB provides, even before derating. A worker at 105 dBA with NRR 24 dB earplugs (derated: approximately 12 dB) still experiences approximately 93 dBA at the ear, which exceeds OSHA's PEL. For those environments, specify a higher-NRR product from our earplugs collection or evaluate dual protection (earplugs plus ear muffs). The Best Foam Earplugs guide covers several NRR 33 dB options.

Flanged Fit Is Technique-Dependent

Flanged reusable earplugs require correct insertion to seat the flange properly in the ear canal. An improperly seated plug may leave gaps that dramatically reduce effective attenuation — real-world studies consistently show that inadequate fit is the primary driver of protection failure in earplug programs. Workers accustomed to foam roll-down earplugs need brief training on flanged insertion technique. Safety managers implementing the Whisper+ should include fit verification in their onboarding process, as required under a formal OSHA 1910.95 hearing conservation program.

Reusable Plugs Require a Hygiene Routine

Any reusable earplug must be inspected and cleaned regularly. The Whisper+ should be washed with mild soap and water when soiled, inspected for cracks or hardening before each use, and discarded when physical degradation is observed. In dusty, greasy, or chemically contaminated environments, the cleaning burden increases. Facilities without a clear replacement protocol can drift into using degraded plugs, which reduces protection. This is an operational consideration, not a product defect — but it distinguishes reusable from disposable options in real-world program management.

Higher Per-Pair Cost Than Bulk Foam

Bulk disposable foam earplugs cost a fraction of the Whisper+'s Listed price -per-pair price. If workers are discarding earplugs at the end of every shift regardless of product type, the cost advantage of the reusable design disappears. The Whisper+ delivers value only when workers actually re-use each pair across multiple shifts. Safety managers should audit disposal patterns before specifying reusable plugs as a cost-reduction strategy.

How the Uvex Whisper+ Compares

NRR values sourced from each product's ANSI S3.19 label data. Apply OSHA 50% derating for workplace exposure calculations.

Accessories and Complementary Protection

For workers in environments where earplugs alone are insufficient — typically above 105 dBA — dual protection combining the Whisper+ with an over-the-plug ear muff cup is a standard OSHA-recognized approach. Browse ear muffs for compatible over-plug styles. For facilities running formal audiometric testing as required under OSHA 1910.95, earplug dispensers and individual earplug cases help maintain hygiene and reduce contamination between uses. See the full PPE collection for supporting items.

OSHA 29 CFR 1910.95 and ANSI S3.19: What the Numbers Mean

The Noise Reduction Rating (NRR) printed on every hearing protector package in the United States is calculated under ANSI S3.19 — a laboratory test using a panel of human subjects under ideal conditions. OSHA requires employers to use the NRR when determining whether a hearing protector provides adequate protection for a specific noise exposure.

OSHA's recommended derating method for earplugs reduces the labeled NRR by 50% before comparing it to exposure data. For the Uvex Whisper+ with NRR 24 dB:

• Labeled NRR: 24 dB
• OSHA simplified derating: NRR / 2 = 12 dB effective attenuation
• Protected exposure at 99 dBA TWA: 99 - 12 = approximately 87 dBA — within the 90 dBA PEL

OSHA's hearing conservation program standard (29 CFR 1910.95) requires employers to implement a program when workers are exposed at or above an 8-hour TWA of 85 dBA. Elements include: noise monitoring, audiometric testing, hearing protector provision and fitting, employee training, and recordkeeping. The Whisper+'s ANSI S3.19 certification means its NRR can be cited directly in program documentation. For a full walkthrough, see the Hearing Conservation Program guide and the NRR Hearing Protection Guide.

Total Cost of Ownership: Reusable vs. Disposable

At its listed price for 50 pairs (its listed price/pair), the Whisper+ costs more per unit than bulk disposable foam. The reusable advantage materializes only when each pair is actually re-used across multiple shifts. Consider a 10-worker team on a 5-day week:

• Disposable foam at its listed price/pair/shift: 10 workers x 5 days x its listed price = its listed price/week
• Whisper+ with 10 re-uses per pair: 10 pairs x its listed price / 10 uses = its listed price5/pair/shift — approximately its listed price/week
• Whisper+ with 20 re-uses per pair: its listed price25/pair/shift — approximately its listed price/week

The reusable model wins when re-use is enforced. It loses if workers discard reusable plugs at the same rate as foam. Safety managers implementing the Whisper+ should establish a clear replacement trigger (inspect before each use; replace on visible damage) and communicate it during training. See the Reusable vs. Disposable Earplugs guide for a more detailed cost comparison framework.

Frequently Asked Questions

What is the NRR of the Uvex Whisper+ Corded Earplugs?

The Uvex Whisper+ Corded Earplugs have an NRR (Noise Reduction Rating) of 24 dB, tested and certified under ANSI S3.19.

Are the Uvex Whisper+ earplugs OSHA compliant?

Yes. The Whisper+ is compliant with OSHA 29 CFR 1910.95 hearing conservation requirements. Its labeled NRR can be used in exposure calculations when determining whether a hearing protector provides adequate protection for a specific measured noise level.

How do I calculate real-world protection from NRR 24 dB?

OSHA recommends derating labeled NRR by 50% for earplugs. Using the simplified method: effective attenuation = NRR / 2 = 12 dB. Subtract that from your measured dBA to estimate protected exposure at the ear. For a 99 dBA environment: 99 - 12 = approximately 87 dBA protected exposure.

Can the Uvex Whisper+ be washed and reused?

Yes. The Whisper+ is designed as a washable, reusable earplug. Clean with mild soap and water. Inspect before each use and replace if the plug is cracked, hardened, or visibly soiled.

How long do reusable flanged earplugs last?

Service life depends on frequency of use, handling, and exposure to contaminants. A well-maintained pair used daily in a clean environment may last several weeks. Replace on any sign of physical degradation — cracking, stiffening, or discoloration from chemical exposure.

What does the cord on the Uvex Whisper+ do?

The cord connects both earplugs and allows them to hang around the neck when removed, preventing loss and keeping plugs accessible for quick re-insertion. This is particularly useful in environments where workers move in and out of noise hazard zones repeatedly during a shift.

What is the OSHA action level for hearing protection?

OSHA's hearing conservation program action level is 85 dBA as an 8-hour time-weighted average (TWA). At or above this level, employers must implement a hearing conservation program including noise monitoring, audiometric testing, and hearing protector provision. The permissible exposure limit (PEL) is 90 dBA TWA for 8 hours.

Is NRR 24 dB enough for construction noise?

It depends on your measured noise levels. Many construction tasks fall in the 85 to 100 dBA range; at those levels, NRR 24 dB (derated: approximately 12 dB effective) provides adequate protection. For pneumatic tools, jackhammers, or other sources above 100 dBA, evaluate whether a higher-NRR product or dual protection is needed. Always base decisions on actual noise measurements, not estimated ranges.

What is the difference between NRR and SNR?

NRR (Noise Reduction Rating) is the U.S. standard calculated under ANSI S3.19 and required on all hearing protectors sold in the United States. SNR (Single Number Rating) is the European equivalent calculated under EN ISO 4869-2. They are not directly interchangeable. The Uvex Whisper+'s published rating for U.S. compliance purposes is NRR 24 dB.

Do I need a hearing conservation program if I use earplugs?

If workers are exposed at or above 85 dBA TWA, OSHA 29 CFR 1910.95 requires a hearing conservation program regardless of whether hearing protection is provided. Earplugs are one element of the program — not a substitute for it. See the Hearing Conservation Program guide for details.

How does OSHA's 50% derating work?

OSHA recommends derating labeled NRR by 50% to account for the gap between laboratory test conditions and real-world earplug use. For a product with NRR 24 dB: (24 - 7) x 0.5 = approximately 8.5 dB using the full formula, or NRR / 2 = 12 dB using the simplified approach. See the NRR Hearing Protection Guide for the full calculation methodology.

Are corded earplugs better than uncorded?

Neither is universally better — the choice depends on use pattern. Corded earplugs reduce loss and support compliance when workers remove plugs frequently during a shift. Uncorded plugs have no cord to snag on equipment and are often preferred by workers who wear plugs continuously without removal. See the Reusable vs. Disposable Earplugs guide for more on selection factors.

Why Trust This Review

WC Safety is an industrial PPE review site with direct experience sourcing, specifying, and supporting hearing protection programs for manufacturing, construction, and general industry clients. Product assessments on this site are grounded in published product specifications, ANSI standard methodology, and OSHA regulatory text — not marketing claims. We do not fabricate ratings, invent specs, or cite performance data that is not sourced from the product label or applicable standards.

Explore our full hearing protection collection or read the Best Hearing Protection guide for a broader view of the market.

About the Author

Steven Eaton — WC Safety Editorial. Steven oversees product selection and content standards at WC Safety, with a focus on industrial PPE specification and regulatory compliance. All product reviews on this site are fact-checked against published specifications and applicable ANSI/OSHA standards before publication.

Review Methodology

This review is based on: (1) product specifications published on the WC Safety product page for SKU 2111238, (2) NRR and ANSI S3.19 methodology as documented in publicly available standard summaries, and (3) OSHA 29 CFR 1910.95 regulatory text. No claims in this review are fabricated or inferred beyond these sources. Comparative NRR data for competing products is sourced from their respective ANSI S3.19 label data.

NRR 24 on the Whisper+ — and the two numbers that replace it

The rating on the packet is an EPA label figure measured under ANSI S3.19 in a laboratory, on trained subjects, with a perfect fit. Two standard corrections bring it back to what a real shift looks like.

Which NIOSH tier applies depends on the material, not the shape. NIOSH derates earmuffs 25%, formable foam earplugs 50%, and every other earplug type 70%. This one is described by the manufacturer as corded single-use polyurethane foam plugs. It is formable polyurethane foam, so the 50% tier applies.

• A plug that is not seated is not protecting you, and it looks fine. That is the reason NIOSH is harder on plugs than on muffs: a half-inserted plug is invisible, while a lifted muff cushion is obvious within a minute.
• Roll, insert, hold. Foam needs to be compressed thin, inserted deep, and held while it expands. A flanged plug needs the ear canal straightened and the flanges pushed past the first bend. Neither works if you rush it.
• Fit training beats a higher number. The gap between the label and the derated figure is entirely about fit, so an hour of training moves real protection further than two points of NRR ever will.

Fit beats rating, every time

A foam earplug only works if it is rolled down thin, inserted deep enough, and held while it expands. A plug resting in the outer ear can deliver a small fraction of its rating — the difference between a good and a poor insertion is far larger than the difference between an NRR 27 plug and an NRR 33 one.

• Roll the whole plug into a thin crease-free cylinder, do not just pinch the tip.
• Pull the ear up and back with the opposite hand to straighten the canal before inserting.
• Hold for the full expansion time — releasing early is the commonest error, and the plug backs out as it expands.
• Check it. With plugs seated correctly, your own voice sounds hollow and muffled. If it sounds normal, they are not in.

Where a program needs evidence rather than technique, fit testing for hearing protection exists and produces a measured personal attenuation rating for the individual — the hearing equivalent of a respirator fit test, and far more informative than any label.

Related hearing protection

Foam and reusable plugs sit under corded ear plugs, within the wider hearing protection range. Where plugs cannot be worn — ear infections, frequent on-off cycles, or a workforce that will not insert them consistently — ear muffs are the more reliable choice because their fit is far less technique-dependent. For intermittent noise where hearing speech between exposures matters, see banded ear plugs.

What using one of these legally requires

An earplug is not a compliance strategy on its own. Where noise exposure reaches the action level, OSHA 29 CFR 1910.95 requires a hearing conservation program, and the protector is one part of it:

• The action level is an 8-hour TWA of 85 dBA. At or above it the employer must run the program. The permissible exposure limit is 90 dBA as an 8-hour TWA, on a 5 dB exchange rate — so 95 dBA is a 4-hour exposure and 100 dBA a two-hour one. NIOSH recommends a lower 85 dBA limit on a 3 dB exchange.
• Monitoring comes first. A noise survey establishes who is exposed and to what. Choosing a protector by its rating without knowing the level it has to bring down is guesswork in both directions.
• Audiometric testing. A baseline audiogram within six months of first exposure, then annually. That test — not the number on the packet — is the evidence that the program is working.
• Protectors provided at no cost, with a real choice. Employees must be able to select from a variety of suitable protectors, and be trained in fitting, care and use. Attenuation has to be adequate for the actual exposure.
• Training annually, and records kept. Exposure measurements and audiometric records are retained; training is repeated every year.

Two limits apply regardless of the model. Hearing protection sits at the bottom of the hierarchy of controls — where feasible engineering or administrative controls can bring exposure down, they are required, and a plug is not a substitute for them. And a rating is a laboratory ceiling reached only with a correct fit, which is why fit and training move the outcome more than a higher number on the box.

Why trust WC Safety

WC Safety is an independent, affiliate-supported review site. We hold no inventory, sell nothing directly, and earn only from qualifying purchases made through clearly marked links — which never changes what a hearing protector is rated to do. This review is compiled by Steven Eaton from the manufacturer’s published listing, the EPA-labeled Noise Reduction Rating that appears on the packaging, and the text of OSHA 29 CFR 1910.95 and the NIOSH hearing-loss prevention criteria. We hold no laboratory, run no attenuation testing, and publish no customer-rating aggregate, because we have no customers to aggregate. Where the published record disagrees with itself, we say so rather than pick a figure.

Our methodology

Specifications come from the live listing and its variant record; standards language comes from OSHA 29 CFR 1910.95 and the NIOSH criteria directly. The NRR is reported as the manufacturer publishes it and then derated by a stated method — OSHA’s (NRR − 7) ÷ 2, or the NIOSH percentage for the device type — never presented as the protection a wearer receives. The score is an editorial judgment of specification, fit type and value: not a measured result, not an attenuation test, and not an average of user ratings.

Related hearing protection

Foam and reusable plugs sit under corded ear plugs, within the wider hearing protection range. Where plugs cannot be worn — ear infections, frequent on-off cycles, or a workforce that will not insert them consistently — ear muffs are the more reliable choice because their fit is far less technique-dependent. For intermittent noise where hearing speech between exposures matters, see banded ear plugs.

Researched and written by Steven Eaton, editor of WC Safety. Steven holds no safety certification and does not test products; this page compares what manufacturers publish, with the gaps in that record marked. Last reviewed July 2026.