Got a question?

If you have a question, feel free to contact us:

GRAS Sound & Vibration A/S |
+45 4566 4046 | +45 4422 5253



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’ partners 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 all our microphones.
If your microphones are not covered by the warranty, please contact your local GRAS distributor.

Microphone Service Flyer

Acoustic Calibration Equipment Brochure