Knowles Corporation designs, manufactures, and sells micro-acoustic, audio processing, and precision device solutions to the mobile consumer electronics,
industrial, defense, aerospace medical, and telecommunications markets worldwide. The company operates in two segments, Audio and Precision Devices. The Audio segment designs and manufactures audio
products, including microphones and balanced armature speakers, signal processing technologies, and software and algorithms used in applications that serve the mobile, ear, and Internet of Things
markets. This segment also offers analog and digital micro-electro-mechanical systems, and electret condenser and smart microphones; and ultrasonic sensors and acoustic processors, as well as
transducer products used primarily in hearing health and headset applications.
The Precision Devices segment known as, Knowles Precision Devices, designs and delivers engineered capacitors and radio frequency devices for technically demanding applications, such as power supplies,
radar, medical implants, and satellites for the industrial, defense, aerospace, medical, and telecommunications markets. The company also provides single layer electronic components to the radio frequency
device, microwave, telecommunication, fiber optics, defense, and aerospace markets. It sells its products directly to original equipment manufacturers and to their contract manufacturers and suppliers,
as well as through distributors like us. Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois. The products include Multilayer, High Reliability, Single Layer and
Precision Variable Capacitors, EMI Filters and Thin Film Devices. Knowles Precision Devices was formed by combining Dielectric Laboratories, Novacap, Syfer and Voltronics, each well-established
specialty capacitor makers with a combined history of over 175 years, into a single organization.