For more than 20 years, we have been at the forefront of developing measurement microphones, and this knowledge is constantly used to offer you state-of-the-art calibration and service. We are proud of GRAS being the world leader within service and support of measurement microphones.


When you buy a GRAS microphone, you not only buy the market’s most durable measurement microphone, you also make an investment for the future.
Through our worldwide distribution network, we are able to offer you service and calibration almost anywhere. GRAS’ distributors can help you with complete product solutions and can also offer you accredited calibrations and service.
At GRAS we offer you a 5-year warranty on our microphones, and a 2-year warranty on all of our other products.
If your microphones are not covered by the warranty, please contact your local GRAS distributor.

When you purchase a measurement solution from GRAS, you get not only a solution that fulfills your acoustic requirements according to the standards, but also a complete package of support solutions for the entire lifetime of your GRAS equipment.

Our aim is to keep your maintenance costs of your GRAS measurement solution as low as possible by offering you

  • Free product and application support by our partners
  • Repair service
  • Calibration
  • Up to 5 year warranty

Microphone Service Flyer

Acoustic Calibration Equipment Brochure