musician's earplugs

mu·si·cian's ear·plugs

(myū-zish'ănz ēr'plŭgz)
Custom-fitted earplugs that attenuate all frequencies evenly in relation to normal hearing sensitivity; allow musicians to hear music at levels below the damage-risk level without sacrificing sound quality; must be fitted by a licensed hearing health care professional.
References in periodicals archive ?
Wearing musician's earplugs may limit this," he says.
Break up your exposure to high decibels: ensure that ten minutes of every hour in a club or at a concert is spent with as little noise as possible and use musician's earplugs.