Optimized Title: 3M Peltor X1A Over-the-Head Ear Muffs, NRR 22 dB, for Construction, Manufacturing, Maintenance, Automotive, Woodworking

The 3M X-Series earmuffs represent the latest advancement in hearing conservation technology. This groundbreaking earmuff line combines new technologies in comfort, design, and protection. The X1A is a lightweight, low-profile earmuff designed to safeguard against low-level industrial noise and other loud sounds.

Featuring an electrically insulated wire headband, often referred to as "dielectric," the X1A offers several key benefits:

1. Consistent pressure over prolonged wearing periods, thanks to the wire headband design.
2. Optimum comfort and efficiency, facilitated by the earcup pivot points that can tilt.
3. Replaceable ear cushions and foam liners (available as the 3M PELTOR HYX1 Hygiene Kit) for easy maintenance.
4. A Noise Reduction Rating (NRR) of 22 dB, meeting the CSA Class A standard.

It's important to note that the X-Series (over-the-head) headband version is specifically designed with electrical insulation, sometimes referred to as "dielectric." The metal components of the headband have been covered with a non-conductive material, making the earmuff suitable for use in environments with low-voltage electrical hazards (less than 440 V AC).

Since there are no applicable standards for testing earmuffs against electrical insulating properties, the product has been evaluated at an external laboratory using a modified test method based on EN397:1995. During the assessment, the leakage current did not exceed 1.2mA when the external surface of the product made contact with an electrical source.

While the NRR of 22 dB provides a good indication of the hearing protection offered, 3M recommends reducing the NRR by 50% to estimate the actual noise reduction provided during typical use.

The advanced technologies incorporated into the X1A earmuff include new innovative foam earcup inserts and spacers, which help improve attenuation. Additionally, the new ear cushion foam technology ensures an effective acoustic seal and reliable protection.

Comfort is a key priority, with the wide, soft foam ear cushions and earcup tilting pivot points designed for high comfort and an effective acoustic seal with the head. The internal stainless steel wire in the headband helps maintain consistent force over an 8-hour period, providing extended comfort. The twin headband design also helps reduce heat buildup.

Durability is assured through the ABS plastic cups, which create a rigid, high-strength, and impact-resistant earmuff suitable for tough environments.

In summary, the 3M X-Series earmuffs, and specifically the X1A model, offer a comprehensive solution for hearing protection in industrial and occupational settings. With their innovative technologies, comfort features, and electrical insulation capabilities, these earmuffs provide reliable and effective noise reduction for workers in various industries.

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