Knowles Corporation designs, manufactures, and sells micro-acoustic, audio processing, and precision device solutions for the mobile consumer electronics, communications, medical, defense, aerospace, and industrial markets worldwide. It operates in two segments, Audio and Precision Devices (PD). The Audio segment designs and manufactures audio products, including microphones and balanced armature speakers, audio processors, and software and algorithms used in applications that serve the mobile, ear, and Internet of Things markets. It also provides analog and digital micro-electro-mechanical systems, microphones, electret condenser microphones, smart microphones, ultrasonic sensors, acoustic processors, and balanced armature speakers, as well as transducer products used primarily in hearing health and headset applications. The PD segment designs and delivers engineered capacitors and radio frequency devices for applications, such as power supplies, radar, medical implants, and satellites for the industrial, defense, aerospace, medical, telecommunications, and automotive markets. The company also provides single layer electronic components to the 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. The company was founded in 1946 and is headquartered in Itasca, Illinois.
