SureFire EP4 Sonic Defenders Plus filtered Earplugs, triple flanged design, reusable, Black, Large

$26.99 $24.97

5 in stock

Warranty: 30 Days

SKU: B004DH65OG Category:


From the manufacturer

Patented EarLock retention rings utilize seven contact points to lock earpieces in place


Lowers dangerous sound levels while allowing ambient sound and conversation to be heard

EP4 Sonic Defenders Plus

Filtered, Triple-Flanged Earplugs with 24 dB NRR

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.

  • 24dB Noise Reduction Rating (NRR) with filter caps inserted
  • Lowers potentially dangerous noise levels above 85dB
  • Hear safe sound levels (with filter caps out) as if you weren’t wearing ear plugs
  • Two levels of protection with filter caps in or out—the louder
  • Made from hypoallergenic, medical-grade polymer that’s soft, durable, and long-lasting
  • Soft, triple-flanged stems provide secure seals 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
  • Serve as earpieces for compatible* radio communication systems

Size: Available in Small, Medium (medium fits most) and Large. Color: Black, Red and Orange


~ Available Colors: Black, Orange, and Clear

~ Available Sizes: Small, Medium, and Large

~ Medium EP4s fit most people.

~ Sizing is based on the ear’s concha bowl (1” = Medium, Less than 1” = Small and Greater than 1” = Large)


~ Our most popular color, Black EP4s are ideal for all fields.

~ Sold as a single left/right set

~ 26″ polymer lanyard included

~ Storage case included


~ Popular among Law Enforced individuals.

~ Can also be used as an earpiece for compatible radio communication systems

~ Sold as a single left/right set

~ 26″ polymer lanyard included

~ Storage case included


~ Orange color males it Ideal for Shooting and Hunting use

~ Also ideal for Safety, Industrial, and Constructions usage

~ Sold as a single left/right set

~ 26″ polymer lanyard included

~ Storage case included



Protect your hearing from dangerous noise levels—including sudden impulse noise like gunshots—while allowing you to still hear safe ambient sounds. So you enjoy effective hearing protection while maintaining situational awareness and the ability to hear important conversations or commands.


SureFire Sonic Defenders feature our innovative EarLock outer rings, which lock the earplugs in place with seven unique grab points. A low-profile design allows for easy wearing under a hat, helmet, mask, headset, or supplemental muffs—even while using the phone.


Provides all-day comfort making it ideal for Safety, Industrial, and Construction fields. EP4 Sonic Defenders use established, non-electronic technology to reduce dangerous noise while allowing the hearing of safe-level conversations, commands, and ambient sounds

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