SureFire EP4 Sonic Defenders Plus hearing protection SNR 27 dB clear

SureFire EP4 Sonic Defender Plus hearing protection protects your hearing from noise-induced hearing loss (NIHL) without affecting your ability to hear everyday sounds or conversations in noisy environments.

The triple flange provides a noise reduction ratio (NRR) of 24 dB. Safe sound levels are allowed to pass into the ear canal, while potentially harmful sounds (above 85 dB) are reduced by our proprietary noise-reducing filter.

The EP4s come with filter caps that can be inserted for additional protection to suppress quieter sounds, such as on an airplane, when hearing ambient noise or conversation is not critical.

The EP4 Sonic Defenders Plus are made of a soft, durable, hypoallergenic polymer that provides all-day comfort and extends the life of the product (up to 6+ months, depending on use and care).

Insulation values:

• Filter open: SNR 19 dB, H 22 dB, M 16 dB, L 11 dB
• Filter closed: SNR 27 dB, H 28 dB, M 24 dB, L 24 dB

Certifications:

• EN352-2:2002

Details:

• Provides a noise reduction of 24 dB (NRR) with filter caps inserted
• Reduces potentially dangerous noise levels above 85 dB
• Patented EarLock retaining rings use seven contact points to keep the temples in place and fit the same way every time; soft, double-flanged temples ensure a secure seal and all-day comfort
• Made from medical grade hypoallergenic polymer that is soft, durable and long lasting
• Low-profile design for superior comfort when worn with a mask, helmet or hat, or when using a phone, headphones or additional hearing protection
• Each set is packaged in a convenient carrying case and includes a polymer lanyard
• Made in the USA

Note: The EP4 earplug does not provide hearing protection if the noise-reducing filter is removed.