Surefire Sonic Defenders EP7 Ultra Purple Tuned speakers provide deep

Tuned speakers provide deep

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

Sound Level Conversion: 22dB

How Calmer works

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)