HexArmor K-Series K3 Earmuffs – 30 dB NRR

Get high-level hearing protection without compromising comfort with HexArmor® K-Series® K3 Earmuffs. Designed for high-noise industrial environments, these over-the-head earmuffs provide a Noise Reduction Rating of 30 decibels and CSA Class A(L) performance.

A padded headband and snug-fitting memory foam ear cushions adapt comfortably to the wearer’s head shape, helping maintain a secure acoustic seal. Lightweight components, smooth length adjustments, and a low-pressure fit provide dependable comfort throughout extended shifts.

Key Features

• Noise Reduction Rating (NRR) of 30 dB

• CSA Class A(L) hearing protection

• Designed for high-noise industrial environments

• Over-the-head design for standalone use

• Padded headband for premium all-day comfort

• Snug-fitting memory foam ear cushions

• Ear cushions adapt to the wearer’s head shape

• Lightweight, compact construction

• Low-pressure fit for extended wear

• Smooth length adjustment accommodates various head sizes

• Color-coded design helps identify the attenuation level

• May be combined with properly selected earplugs when dual protection is required

Performance Ratings

Product Information

Recommended Applications

Ideal for heavy manufacturing, construction, mining, utilities, equipment operation, metalworking, transportation, and other high-noise industrial environments.

Safety Notice

The stated noise-reduction performance depends on proper selection, adjustment, fit, and continuous use. Eyewear, facial hair, headwear, or other equipment that interferes with the ear-cushion seal may reduce protection. Inspect the headband and cushions before every use and replace damaged or worn components. Hearing-protection requirements should be based on a workplace noise assessment and the applicable hearing-conservation program.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals including Bisphenol A (BPA) and styrene. BPA is known to the State of California to cause developmental and female reproductive toxicity. Styrene is known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.