We Engineer Quiet®

Made in America
​for over 30 years.

Applied Acoustics International® (AAI) is a Tier 1 supplier of noise, vibration, and harshness (NVH) solutions to the North American automotive industry.  

Our products keep cars, trucks, SUVs and other vehicles quiet.




1001 State St
Chicago Heights, IL  60411
​United States



​+1 248 227 7258


NVH Specialists