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EP3/EP4 Sonic Defenders

Starting at: $17.99

Sonic Defenders™ protect your hearing—without interfering with your ability to hear routine sounds and conversation. Safe sound levels are allowed to pass through, while potentially harmful noises (above 80dB) are reduced via a proprietary design that incorporates the patented Hocks Noise Braker filter.When even more hearing protection is required—without the need to hear routine sounds or conversations—Sonic Defenders’ attached stopper can be inserted.Made from a soft, hypoallergenic polymer and ergonomically shaped for a great fit, Sonic Defenders can be worn comfortably all day. And their low-profile design means they can be worn while wearing a helmet, mask, hat, or while using a phone, headset, or supplemental ear muffs.

Each set is packaged in a convenient carry case.

EP3 Sonic Defenders are double-flanged for a proper fit for most people.
EP4 Sonic Defenders are triple-flanged for those with larger ear canels.

Size: Medium


  • 24dB Noise Reduction Rating (NRR) for EP3 and EP4 Sonic Defenders with stoppers in
  • Lowers potentially dangerous noise levels above 80dB
  • Hear safe sound levels as if you weren't wearing ear plugs
  • Ergonomic design conforms to natural shape of ear for comfort and earpiece retention
  • Made from soft, hypoallergenic, medical-grade polymer
  • Low-profile design lets you keep them in place while wearing mask, helmet, hat, or while using phone, headphones or supplemental hearing muffs


  • Manufactured by: Surefire

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