Quality Assurance

Quality and Environmental Management

Knowles is committed to delivering high quality products that meet our customers' needs. We operate in a responsible manner to ensure the health and safety of people, preservation of the environment, and consistent delivery of our products and services which are compliant with all applicable requirements.

Quality Policy                EHS Policy

Our manufacturing operations are certified to the following standards:

ISO 9001ISO 14001ISO 45001IATF 16949
Malaysia:ISO 9001ISO 14001 ISO 45001 
Philippines:ISO 9001ISO 14001ISO 45001 
UK:ISO 9001ISO 14001IATF 16949 
USA-CA:ISO 9001   
USA-IL:ISO 9001   
USA-NY:ISO 9001+AS9100DISO 14001  
USA-NJ:ISO 9001   
Dominican Republic: ISO 9001   


Material Compliance

The elimination of hazardous materials from products is a global initiative. Knowles believes in protecting the environment and offers products that comply with global, regional, and local standards for products including RoHS and REACH.

Request Compliance Information

Supplier Management

Excellent suppliers are critical to producing quality products. Our Sourcing and Supplier Quality teams collaborate closely on the qualification of new suppliers. Supplier performance is then monitored regularly through scorecards, audits and performance reviews.

Knowles suppliers are expected to adhere to the following requirements:

Supplier Quality Manual

Supplier Code of Conduct

Conflict Minerals Requirement

Cobalt Requirement