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

2011 – Virtual Back Volume technology N’Bass™ for sound enhancement
2007 – World's smallest rectangular dynamic speaker
2007 – Balanced armature technology for premium earphones
2006 – Third-generation digital SiSonic microphones
2005 – World's first rectangular dynamic speaker
2003 – Second-generation SiSonic for breakthrough cell phone designs
2002 – First silicon surface mount microphone – SiSonic™ series
2002 – World's smallest dynamic speaker design
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
1994 – World's flattest dynamic speaker design for cell phones
1991 – First Improved EM microphone
1990 – Sound Solutions: Strategic decision to entirely focus on telecom market
1989 – Hugh Knowles Center for Hearing Research at Northwestern U.
1987 – Introduced Class-D amplified receivers
1982 – First ultra high power miniature receiver
1980 – Sound Solutions: Focus on small speakers for cassettes recorders, dicatphones and telecom applications
1971 – First subminiature electret condenser microphone
1956 – Sound Solutions starts manufacturing dynamic speakers for TV-sets
1954 – First miniature microphone and receiver for hearing aids
1947 – First transistor-based miniature microphone
1947 – Sound Solutions starts manufacturing dynamic speakers for dictaphones and audio tapes
1929 – Sound Solutions radio speaker manufacturing founded in Vienna