Sign Up for Expert Insights

When you sign up, you´ll be the first to know of

- Webinars and MasterClasses with GRAS experts
- News, whitepapers, and application notes
- Expert blog posts and industry insights
- ... and more

Sign up
Optimize production flow.<br>Increase product quality.<br>Gain new markets.

Optimize production flow.
Increase product quality.
Gain new markets.

The new GRAS EQ 40PM-1 production line microphone with EQset™ technology makes advanced testing of high frequency content, and accurate testing of louder products (up to 125 dB), available to a larger audience.

Learn more
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.

Learn more
Innovating the world of Production Line microphones

Innovating the world of Production Line microphones

The new miniature microphone from GRAS with the revolutionary EQsetTM technology provides cost efficiency, extreme ease of use, and reduced risk of measurement error.
How? For the answer...

Learn more >
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.

Read More >
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.

Read More >
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.

Read more >

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&quot; Ext. Polarized Free-field Microphone

GRAS 40AF 1/2&quot; 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 &amp; Cheek Simulator

GRAS 43AG Ear &amp; Cheek Simulator

Ear simulator kits with constant current power (CCP)

GRAS 45BB KEMAR Head &amp; Torso, Non-configured

GRAS 45BB KEMAR Head &amp; 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&quot; CCP Rugged Intensity Probe

GRAS 50AI-LP 1/2&quot; 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.

18/10-2023

HARMAN Chooses GRAS ¼” Microphones for Measurements in System Engineering

HARMAN Chooses GRAS ¼” Microphones for Measurements in System Engineering

Raising the bar for in-vehicle audio quality by lowering the noise floor of the test equipment.

Continue reading
17/10-2023

GRAS 40PM-1

GRAS Pushes the Evolution of Production Line Microphones One Step Further

Continue reading
18/04-2023

GRAS Introduces a True Multifield ¼″ High-sensitivity Microphone

This new microphone from GRAS can acquire good data in any sound field and, at 24 dB(A), has the lowest noise floor of any ¼″ measurement microphone.

Continue reading