Knowles

- Founded in 1946, Knowles is the leading designer and manufacturer of advanced acoustic components and offers a growing range of micro-acoustic, electro-mechanical, and related technology platforms to support the business potential of our customers. In addition to being the market leader for components to the global hearing aid industry, we are also the leading provider of MEMS surface mount microphones to major cell phone brands and consumer electronic devices the world over. More...

Knowles corporate headquarters is based in Itasca, Illinois with technical customer support offices located around the globe. Knowles has manufactured in Asia since 1965, with world-class facilities in China and Malaysia. All of our manufacturing facilities are ISO-9001 certified, with some additionally certified to ISO-14001 or OHSAS-18001. The Knowles Quality Management System ensures design, integrity, efficient manufacturing and the cost effective on-time delivery of our products and services.

Knowles is owned by the Dover Corporation, a diversified manufacturer with $6 billion in annualized revenue from operating companies that manufacture specialized electronics, industrial products and equipment. Less...

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BU Series Accelerometer - Knowles BU Series piezo-ceramic accelerometer has output from 20Hz to above 10kHz and is used primarily as a contact microphone for high noise environments. It may also be used as an accelerometer with lightweight structures. As a contact microphone, the BU may be worn on the throat or touching a bony part of the head (top, temple, or mastoid bone). BU has been integrated into helmet designs for radio communication for military and emergency services. More...

MR Series Submersible Microphones - Knowles MR Series microphones combine conventional elements with waterproof bellows assemblies. These bellows conduct sound to the elements and survive 15m (50 feet) of submersion in water. They may be panel mounted or attached for boom applications and are suitable for outdoor use or repeated submersion. More...