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HexArmor K-Series Ceros K1C earmuffs hearing protection

The HexArmor K-Series Ceros K1C Earmuffs are slot-mounted hearing protectors designed specifically for compatible HexArmor Ceros safety helmets. The integrated helmet-mounted design provides reliable hearing protection without requiring a separate headband, helping workers combine head and hearing protection into a single streamlined PPE system.

The K1C provides a Noise Reduction Rating of 22 dB and features compact memory-foam cushioned earpieces designed to provide a comfortable, low-pressure fit during extended wear. The ergonomic construction helps reduce strain and maintain balance when mounted to a helmet.

A 360-degree rotating attachment system allows the earmuffs to be positioned over the ears during use, moved into a standby position, or rotated and nested against the helmet when hearing protection is not required.

The K1C is compatible with HexArmor XP250, XP250E, XP450A, XP450AE, XT400, and XT400E safety helmets. It is designed for direct slot mounting and use without a face shield. The K1C is not compatible with HexArmor Ceros mechanical or magnetic face shields.

Manufacturer Part Number: 17-15001.

UPC: 810001791698.

Mounting: Helmet slot adapted.

Noise Reduction Rating: 22 dB.

Sold by the pair.

Performance Ratings

Protection / StandardRating
ANSI S3.19-1974NRR 22 dB
CSA Z94.2-2014Class B
EN 352-1SNR 27 dB
EN 352-1 High FrequencyH 32 dB
EN 352-1 Medium FrequencyM 24 dB
EN 352-1 Low FrequencyL 17 dB
REACHPass
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