Etymotic is an engineering-driven research, development, and manufacturing company specializing in innovative products for high-fidelity listening, hearing assessment, enhancement, and protection. The company was founded in 1983 with a focus on designing research instruments for accurate detection and assessment of hearing loss. Etymotic is renowned for inventing insert earphones in 1984, which were initially used for diagnostic testing and precision auditory research. Their products, including noise-isolating high-fidelity in-ear earphones, are used by university researchers, hearing practitioners, musicians, and hearing-impaired consumers worldwide. Etymotic's mission revolves around innovation, education, and hearing preservation, with a commitment to developing quality consumer listening products.