Knowles (NYSE:KN) (NYSE: KN) is a leading global manufacturer of advanced micro-acoustic, audio processing, and precision device solutions. The company’s product portfolio spans micro-electromechanical system (MEMS) microphones, balanced armature receivers, and custom audio and sensor solutions designed for consumer electronics, hearing health, mobile communications, defense and aerospace, and automotive applications. With a strong emphasis on miniaturization and performance, Knowles’ technologies enable clear speech capture, high-fidelity sound reproduction, and precise sensing capabilities across a wide range of end markets.
In its micro-acoustics segment, Knowles supplies a variety of MEMS microphones and acoustic filters that are integral to smartphones, tablets, wearable devices, and smart home products. The company’s precision devices division manufactures high-performance piezoelectric actuators, sensors, and transducers for industrial automation, automotive safety systems, and medical instrumentation. In addition to off-the-shelf offerings, Knowles collaborates closely with original equipment manufacturers to develop custom designs that meet stringent size, power consumption, and reliability requirements.
Founded in 1946 as part of Western Electric’s acoustics research initiative, Knowles has a long history of innovation in sound and sensing technologies. Headquartered in Itasca, Illinois, the company maintains research and development centers and manufacturing facilities across North America, Europe, and Asia. Its global footprint allows Knowles to support customers with rapid prototyping, local engineering expertise, and high-volume production capabilities. The company’s commitment to quality and precision has earned it critical certifications for medical and military applications.
Under the leadership of Chief Executive Officer Jeffrey A. Niew, Knowles continues to invest in next-generation audio and sensor platforms, including solutions for beamforming, noise suppression, and integrated sensor fusion. The company’s strategic focus on acoustics and precision instrumentation positions it to address emerging trends in augmented reality, smart vehicles, and edge-enabled sensing, while sustaining its role as a technology partner for leading consumer and industrial innovators worldwide.