New Microphones Launched!

New Microphones Launched!

GRAS is proud to introduce two new EQset technology microphones designed to deliver real value for audio brands and manufacturers alike: 

  • Minimize costly production line downtime 

  • Ensure higher-quality finished products 

  • Reduce false product passes that can harm brand reputation 

  • Boost production line efficiency 

  • Increase trust between audio brands and contract manufacturers

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New Year, Better Sound? – Order Now

New Year, Better Sound? – Order Now

As we close out the year, it’s the perfect time to set yourself up for success in 2025. At GRAS Sound & Vibration, we believe the best way to kick off the new year is with better sound and precision. That’s why we’re offering you the opportunity to upgrade your setup with our world-class microphones and measurement equipment.

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Order the new audio analyzer and microphone bundle from AP+GRAS

Order the new audio analyzer and microphone bundle from AP+GRAS

- and get the microphone as a gift!

Learn More >
Automotive acoustic standards are evolving

Automotive acoustic standards are evolving

Constant improvements in vehicles are pushing boundaries with better audio systems and noise mitigation solutions, and customers have even higher expectations for EVs that push testing even further. Testing needs have passed beyond the capability of traditional ½′′ microphones.
Discover the new one microphone to meet all the needs of in-cabin measurement.

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The Optimal Testing Solution for Your Audio Application

The Optimal Testing Solution for Your Audio Application

Whether your needs are within consumer audio, electronics or hearing aids, we will help you find the best measurement setup. This also covers hearing enhancement devices (or OTC hearing aids) that seem to combine challenges from both consumer audio and hearing aid testing.

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The World´s Thinnest Condenser Microphones

The World´s Thinnest Condenser Microphones

The new Ultra-Thin Precision (UTP) Microphones from GRAS are based on a revolutionizing, patented technology and have been specifically designed for in-situ boundary layer testing when neutral impact and high precision is important. 

Discover the UTP microphones >
Acoustic Measurement Experts

Acoustic Measurement Experts

Since 1994, GRAS has been a worldwide leader in acoustic measurements, recognized for originality and craftsmanship. Our state-of-the-art condenser microphones and test solutions are used by leading industry players when high accuracy and durability is of utmost importance.

Today, GRAS is part of Axiometrix Solutions, a leading test solutions provider comprised of globally recognized measurement brands.

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Acoustic Sensors for NVH Testing

Acoustic Sensors for NVH Testing

As a world leader in developing cutting-edge acoustic sensors, GRAS provides new and improved microphones for more efficient and reliable acoustic automotive NVH testing.

Explore the new NVH Microphones >
New Family of Ear Simulators!

New Family of Ear Simulators!

GRAS covers the full range of test equipment for headphone measurements.

Since the IEC 60318-4 ear simulator (also known as the 711 coupler), GRAS has developed two new compliant/compatible ear simulators for all needs - including for high-frequency and Hi-Res (up to 50 kHz and beyond) measurements.

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Selected products

A world of famous GRAS quality

GRAS 26AG 1/2'' Insert Voltage Preamplifier with Integrated Connector

GRAS 26AG 1/2'' Insert Voltage Preamplifier with Integrated Connector

Preamplifiers

GRAS 40AF 1/2" Ext. Polarized Free-field Microphone

GRAS 40AF 1/2" Ext. Polarized Free-field Microphone

Externally polarized cartridges (200 V)

GRAS 42AG Multifunction Sound Calibrator, Class 1

GRAS 42AG Multifunction Sound Calibrator, Class 1

Sound calibrator

GRAS 43AG Ear & Cheek Simulator

GRAS 43AG Ear & Cheek Simulator

Ear simulator kits with constant current power (CCP)

GRAS 45BB KEMAR Head & Torso, Non-configured

GRAS 45BB KEMAR Head & Torso, Non-configured

KEMAR, Non-configured

GRAS 45CC Headphone Test Fixture

GRAS 45CC Headphone Test Fixture

For ear- and headphone test

GRAS 46AE 1/2'' CCP Free-field Standard Microphone Set

GRAS 46AE 1/2'' CCP Free-field Standard Microphone Set

Microphone sets with constant current power (CCP)

GRAS 50AI-LP 1/2" CCP Rugged Intensity Probe

GRAS 50AI-LP 1/2" CCP Rugged Intensity Probe

Intensity Probes

67HA 1 m LEMO Hemisphere kit

67HA 1 m LEMO Hemisphere kit

LEMO Hemisphere kit

GRAS RA0045 Externally Polarized Ear Simulator According to IEC 60318-4 (60711)

GRAS RA0045 Externally Polarized Ear Simulator According to IEC 60318-4 (60711)

Externally polarized cartridges (200 V)

Read the latest news

...or read the archive.

19/02-2025

GRAS Releases New Microphones with EQset™

Optimizing Production Line Testing with Superior Accuracy, Minimal Downtime, and Cost Efficiency

HOLTE, DENMARK, February 18, 2025 - GRAS Sound & Vibration, a brand of Axiometrix Solutions, a global leader in test and measurement, is proud to announce the release of GRAS 40PO-L and 40PO-H microphones with EQset™ technology. These new production line microphones enable consistent and reliable audio testing for smart devices, ensuring high-quality results across different locations. With a frequency response up to 40 kHz —suitable for High-Res compliance and ultrasonic applications—, and a new capsule design, these microphones deliver improved accuracy in test results. These advancements will elevate audio quality in global manufacturing, making product consistency and adherence to both industry standards and customer-specific requirements, indispensable for maintaining trust, consistency and profitability between audio brands and manufacturers.

13/11-2024

Meet BOSE’s hardest working employee

Audio design is becoming a vital part of product development for a lot of everyday products like headphones and earbuds. This makes modern life easier, simply because there are things you want to hear, and things you don’t.

In a recent episode of the BBC TV show “The Secret Genius of Modern Life” (s2, ep5), journalist and professor Hannah Fry visits American premium audio brand, BOSE, at their headquarters in Framingham, Massachusetts, to understand the remarkable engineering that enables the superior quality of BOSE headphones.

31/10-2024

Gras Sound & Vibration Shortlisted for Electronics Excellence Award

We’re thrilled to announce that GRAS Sound & Vibration has been shortlisted for the Electronics Excellence Awards, recognized in the Test & Measurement Product category. Our EQset-equipped microphones, GRAS 40PM and 40PM-1, have earned this prestigious nomination for their innovative approach to production-line audio testing.