Ear muffs consist of sound-attenuating material and soft ear cushions that fit around the ear and hard outer cups. They are held together by a head band.



Ear plugs are inserted to block the ear canal. They may be preformed or can be molded (foam ear plugs). Ear plugs are sold as disposable products or reusable plugs. Custom molded ear plugs are also available.



Semi-insert ear plugs which consist of two ear plugs held over the ends of the ear canal by a rigid headband.



 

You can also use this glossary for most specific terms.