Knowles

Knowles is an American manufacturer of high-performance electronic components, specialising in capacitors, RF filters, micro-acoustic products and precision audio technologies.

The company designs and manufactures components used to support signal filtering, energy storage, sound capture, sound output and reliable performance in demanding electronic systems.

Knowles was founded in 1946 and has developed from a specialist audio and acoustic technology business into a global provider of advanced electronic components.

The company is headquartered in Itasca, Illinois, USA, and operates internationally across markets that require reliable, compact and high-performance component solutions.
Its product range includes capacitors, RF and microwave filters, EMI filters, inductors, microphones, balanced armature speakers, audio components and related precision electronic devices.

Common Knowles product examples include high-performance ceramic capacitors, multilayer capacitors, single layer capacitors, RF filters, microwave filters, SiSonic microphones and balanced armature speakers.

These products are designed for applications requiring stable electrical performance, high reliability, compact design, signal control, acoustic precision and efficient component integration.

Knowles products are used across medtech, aerospace, defence, industrial equipment, electrification, communications, hearing health, imaging, implantable devices and specialist electronic systems.

The brand is commonly associated with precision components used by electronics manufacturers, design engineers, medical technology companies, defence contractors and industrial equipment manufacturers.

European Electronics supplies and stocks selected Knowles products, including capacitors, RF filters, audio parts, microphones and related electronic components.

Customers can use European Electronics to check availability, confirm part numbers and request quotations for Knowles replacement parts or project requirements.
This makes Knowles a relevant manufacturer for businesses looking for capacitors, RF filtering components, audio parts and precision electronic devices for demanding applications.

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