Start from 1946, Knowles is delicated to helping designers find the excellent ways to put better technology to work for customers. Knowles is a global leader among suppliers around the world. In the mobile communications, consumer electronics, medical technology, and other industrial end markets, we offer advanced micro-acoustic, specialty components, and human interface solutions . We have rich experience in providing speakers and microphones for hearing health products, premium music earphones, communications headsets, and industrial acoustic applications. In the meantime, we provide MEMS (micro-electro-mechanical systems) microphones and micro-speakers. They are widely used in smartphones, tablets, notebooks, and other portable devices. Knowles was headquartered in Itasca, Illinois with over 10,000 employees around the world. Knowles is listed on the New York Stock Exchange under the ticker symbol "KN". In Europe, Asia and North America, Knowles set up design centers. Our manufacturing facilities passed ISO-9001 certification, some also passed ISO-14001 or OHSAS-18001 certification. To ensure design, integrity, efficient manufacturing and the cost effective on-time delivery of products is our goal.
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