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).
The 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.Features:
- Made from hypoallergenic medical-grade polymer that's soft durable and long-lasting
- 24dB Noise Reduction Rating (NRR) with stoppers inserted lowers potentially dangerous noise levels above 85dB; Their triple-flange stem design fits larger ear canals
- Hear safe sound levels (with stoppers out) as if you weren't wearing ear plugs
- EarLock by SureFire retention ring utilizes seven contact points to lock earpiece in place and fit the same way every time; soft double-flange stem provides secure seal and all-day comfort.
- Low-profile design allows you to keep them in place while wearing a mask helmet hat or while using phone headphones or supplemental hearing muffs; 26" polymer lanyard included