Aquatic Acoustic Ear Plugs
From Openwaterpedia
noun - Aquatic Acoustic Ear Plugs are audio electro-acoustic ear plugs that not only keep the water out of your ears, but also are designed to amplify ambient sound both in and out of the water. It helps the swimmer hear voices more clearly from their escort boat and pick up sounds in the marine environment.
Origin
Coined by Steven Munatones on 27 March 2014.
