Who We Are

Knowles is an application-based technology company, collaborating on the development of new products and components for hearing instrumentation and the broader electronic devices market. Depending on your application, Knowles' design-development teams are assigned and managed by either the Knowles Hearing Instruments Group or the Knowles Electronic Devices Group.

Knowles Milestones

2007 – Balanced armature technology for premium earphones
2006 – Third-generation digital SiSonic microphones
2003 – Second-generation SiSonic for breakthrough cell phone designs
2002 – First silicon surface mount microphone – SiSonic™ series
2001 – CMOS/MEMS technology platform launched
2000 – Expansion of high-volume global production facilities
1998 – Condenser technology platform yields to world's smallest ECM
1996 – Micro electro-mechanical controls established
1994 – Acoustic devices for global electronic business
1991 – First Improved EM microphone
1989 – Hugh Knowles Center for Hearing Research at Northwestern U.
1987 – Introduced Class-D amplified receivers
1982 – First ultra high power miniature receiver
1971 – First subminiature electret condenser microphone
1954 – First miniature microphone and receiver for hearing aids
1947 – First transistor-based miniature microphone