When playing with a band onstage or in the studio, excessively loud volumes can be harmful to your ears. Protect your hearing without compromising sound quality with the Blackstar ACS High Fidelity Earplugs! With these ear plugs on, the music around you still comes through without being muffled. Whenever you rehearse or gig with your band, don't forget to wear your Blackstar ACS High Fidelity Earplugs!