Crescendo PRO Acoustic 15 - Musician Earplugs Sleeping The advanced filter design from

The advanced filter design from Dynamic Ear Company provides an open- air passage to the ear

Helps prevent kids from removing swimming earplugs

Your skin is complex and intelligent

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Crescendo PRO Acoustic 15 - Musician Earplugs Sleeping The advanced filter design fromCrescendo PRO Acoustic 15 (a. k. a. Crescendo Woodwind) Designed specifically for musicians and music lovers. The patented membrane filter technology provides the core of protection ensuring clarity of sound with full music dynamic whilst allowing speech to be heard. Crescendo Acoustic 15 provides you a tuned, flat attenuation response so all frequencies are reduced by the same level, which makes it the best high fidelity hearing protection on the