Knowles is a company that designs and manufactures micro-acoustic, audio processing, and precision device solutions. The company operates through three segments: Precision Devices (PD), Medtech and Specialty Audio (MSA), and Consumer Micro-Electro-Mechanical Systems (MEMS) Microphones (CMM). The PD segment specializes in the design and delivery of capacitor products and RF solutions serving the defense, medtech, electric vehicle, and industrial markets. The MSA segment designs and manufactures balanced armature speakers and microphones used in applications that serve the hearing health and premium audio markets. CMM segment designs and manufactures MEMS microphones and audio solutions used in applications that primarily serve the ear, IoT, computing, and smartphone markets.