The Blackstar ACS Earplugs are all you need to rock with confidence. On a busy stage or rehearsal room, your ears can be subjected to an unrelenting sonic assault. If you're not careful, this can lead to lasting damage to your hearing, and that's where Blackstar's ACS Earplugs come in, as they'll attenuate up to 19db of noise while still offering you a high-fidelity audio experience. Featuring a handy joining cable for easy use and a convenient carry case so you don't lose them, they're a must-have accessory for any consistent performer.