EP4 Sonic Defenders Plus are sold in single left/right sets in a box containing 25 sets in small, medium, and large. Each set is packaged in a convenient carry case. Medium EP4 Sonic Defenders Plus fit most people with larger ear canals comfortably. Sizing is based on the size of the ear's Helix Bowl. Consult Sizing Chart for proper fit.
For those who do not have larger ear canals, double-flanged EP3 Sonic Defenders may provide a better fit.
Please Note: We cannot ship Surefire products outside the United States.
- 19dB* Noise Reduction Rating (NRR) for EP4 Sonic Defenders Plus
- Lowers potentially dangerous noise levels above 85dB
- Hear safe sound levels (with stoppers out) as if you weren't wearing ear plugs
- Ergonomic design and triple-flange stem design conforms to ear shape for comfort and secure retention
- Made from hypoallergenic, medical-grade polymer that's soft, durable, and long-lasting
- 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
- *NRR rating with stoppers inserted