SureFire EP4 Sonic Defenders Plus Filtered Earplugs, Triple Flanged Design, Reusable

SureFire EP4 Sonic Defenders Plus Filtered Earplugs, Triple Flanged Design, Reusable

SureFire EP4 Sonic Defenders Plus Filtered Earplugs, Triple Flanged Design, Reusable

  • 24dB Noise Reduction Rating (NRR) with filter caps inserted, Hear safe sound levels (with filter caps out) as if you weren’t wearing ear plugs
  • Soft, adjustable, triple-flanged stems provide secure seals in ear canals and all-day comfort
  • Low-profile design allows you to keep them in place while wearing a mask, helmet, hat, or while using supplemental hearing muffs
  • Patented EarLock retention rings utilize seven contact points to lock earpieces in place and fit the same way every time
  • Made in USA from hypoallergenic, medical-grade polymer that’s soft, durable, and long-lasting


EP4 Sonic Defenders Plus protect your hearing without interfering with your ability to hear routine sounds or conversations. Their triple-flanged stem design fits larger ear canals and provides a Noise Reduction Rating (NRR) of 24dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB) are reduced via a proprietary design that incorporates a special noise-reducing filter. EP4s include attached filter caps, which can be inserted for additional protection and blocking out lower-level noise, like that heard on a plane, where hearing ambient sounds or conversations isn’t critical. Right/left color-coded Sonic Defenders Plus are made from a soft but durable, hypoallergenic polymer that provides all-day comfort and an extended product life (up to 6+ months, depending on usage and care). Their patented EarLock retention rings lock the earplugs in place, while soft, adjustable triple-flanged stems provide secure seals in the ear canals. A low-profile design means EP4s can be worn while wearing a helmet or mask, or while using a phone or headset. Available in clear, black, or orange. Comfortable EP4 Sonic Defenders Plus also serve as earpieces for compatible radio communication systems simply by removing the noise-reducing filter and attaching the earpiece to the system. NOTE: EP4 earpiece no longer provides hearing protection once the noise-reducing filter has been removed.



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