Surefire Sonic Defenders Plus EP4 Hearing Protection against potentially damaging sound: Internal Hocks Noise Braker filters allow normal ambient and conversational sounds to pass through while blocking potentially dangerous sounds of 80 dB or higher. Made from a soft, hypoallergenic polymer that permits extended wear time, the EP4 Sonic Defenders lock into the outer ear folds, and their triple-flanged stem fits snugly in the ear canal. Their low-profile design makes them usable beneath a helmet, mask, hat, or while using a telephone or headset. For a full line of Surefire hearing protection and other products by SureFire on sale please visit the Surefire page on our website.
Features of Surefire SonicDefenders Plus EP 4 Hearing Protection in Black:
- 24dB Noise Reduction Rating (NRR) for EP4 Sonic Defenders Plus
- Low-profile design
- Internal Hocks Noise Braker filters
- Triple-flanged stem for snug fit in ear canal
- Sure Fire Black Sonic Defender EP-4 Hearing Protection MED
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