Surefire Sonic Defenders EP7 Ultra Purple Tuned speakers provide deep

Tuned speakers provide deep

The lifespan of the earplugs depends on frequency of use but can go up to 100x reusable

How Calmer works

They may be smaller

Durable and non-conductive construction to be worn over-the-head

Surefire Sonic Defenders EP7 Ultra Purple Tuned speakers provide deepPremium compatible replacement tips for the EP7 available here EP7 Sonic Defenders Ultra protect your hearing without interfering with your ability to hear routine sounds or conversations. Their foam tipped stem design, featuring soft memory foam Comply Canal Tips, fits most people and provides a Noise Reduction Rating (NRR) of 28dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB)