HexArmor K-Series Ceros K1C Earmuffs Hearing Protection

Protect your hearing without sacrificing comfort or helmet balance with HexArmor® K-Series® Ceros® K1C Earmuffs. These slot-mounted hearing protectors attach directly to compatible Ceros® safety helmets and provide a Noise Reduction Rating of 22 decibels for dependable protection in moderately noisy work environments.

The lightweight, ergonomic design delivers a comfortable, pressure-free fit while helping reduce strain during extended wear. A full 360-degree rotation allows the earmuffs to move easily between working, standby, and resting positions.

Key Features

• Noise Reduction Rating (NRR) of 22 dB

• CSA Class B hearing protection

• Slot-adapted design attaches directly to compatible Ceros® helmets

• Comfortable, pressure-free fit

• Ergonomic construction promotes balance and reduces strain

• 360° rotation for working, standby, and resting positions

• Compact helmet-mounted design

• REACH compliant

• Designed for use without a face shield

Performance Ratings

Compatible Ceros® Safety Helmets

• Ceros® XP250

• Ceros® XP250E

• Ceros® XP450A

• Ceros® XP450AE

• Ceros® XT400

• Ceros® XT400E

Product Information

Recommended Applications

Suitable for construction, utilities, manufacturing, maintenance, forestry, general industry, and other moderately noisy environments requiring helmet-mounted hearing protection.

Safety Notice

The stated noise-reduction performance depends on proper selection, installation, fit, and consistent wear. Inspect the earmuffs, attachment arms, sealing rings, and foam inserts before each use. Replace worn or damaged components as needed. Always follow the employer’s hearing-conservation program and applicable workplace safety requirements.