E·A·R
E.A.R Inc was established in 1971 by Garry G Gordon, an audiologist along with his team, to regulate workplace noise across industries. They offer a range of products to enhance and protect the hearing of professionals across various fields, from industries to leisure activities. They have a flourishing line of audio-music products which are known the world over by professional musicians. Their free online hearing test gauges your ability to distinguish between different pitches.