Etymotic Research

Etymotic Research engages in the research, design, and manufacture of products for measuring, enhancing, and protecting hearing. It provides earphones and headphones for consumers of all ages, as well as custom earplugs primarily for race car drivers and other motorists. The company's product range includes electronic earplugs, high-fidelity and musician earplugs, and personal noise dosimeters; hearing aid components such as digital hearing aid circuits, high-fidelity hearing aid amplifiers, and directional microphone technology; hearing aid accessories including filters, seals, specialty ear hooks, and replacement tubing; and educational materials.