World-leading provider of acoustic sensors


High-performance NVH microphones that cover all your needs!


As the strongest and most comprehensive provider of measurement microphones to the global automotive industry, GRAS is proud to present new solutions for engine and brake noise testing.


A GRAS microphone always ensures efficient and reliable NVH testing. Pass-by Noise Vehicle Interior Noise 146AE 146AE RA0357 146AE 147AX 147AX 47HC Road and Tire Noise 146AE 147AX Wind Noise 40LA/40LS


Exhaust Noise


(Electric vehicles exempted) 48LX-1 48LX-4/8 146AE 40SC 146AE Buzz,


Squeak and Rattle Noise


Powertrain Noise 146AE 40HL 147AX 47HC 147EB 146AE Engine Noise Brake Noise


www.grasacoustics.com


INNOVATING ACOUSTICSENSORS


SINCE 1994


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