EP3/EP4EP3 Sonic Defenders® and EP4 Sonic Defenders® Plus 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—Sound Defenders' attached stoppers can be inserted. The right/left color-coded Sonic Defenders are made from a soft, hypoallergenic polymer and ergonomically shaped, with a multi-flanged stem, providing a comfortable all-day fit. And their low-profile design means they can be worn while wearing a helmet or mask or while using a phone or headset.
EP3 Sonic Defenders® are double-flanged for a proper fit for most people.
EP4 Sonic Defenders® Plus are triple-flanged for those with larger ear canals.
Both types of Sonic Defenders are sold in single left/right sets or in a box containing 25 sets. EP3's (double-flanged) come in S, M, and L while EP4's (triple-flanged) can be ordered in M and L sizes. Review the earpiece sizing chart below for assistance in getting just the right fit. Each set is packaged in a convenient carry case.
16dB Noise Reduction Rating (NRR) for EP3 Sonic Defenders with stoppers in
19dB Noise Reduction Rating (NRR) for EP4 Sonic Defenders Plus with stoppers in
Lowers potentially dangerous noise levels above 80dB
Hear safe sound levels as if you weren't wearing ear plugs
Ergonomic design and multi-flanged stem conforms to ear shape for comfort and earpiece retention (EP3's double-flanged; EP4 triple-flanged for larger ear canals)
Made from soft, hypoallergenic, medical-grade polymer
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
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