New Microphones Launched!

GRAS 40PO Launch

New Microphones Launched!

GRAS proudly introduces two new EQset technology microphones, bringing real value to audio brands and manufacturers:

  • Minimize production downtime
  • Improve product quality
  • Reduce false passes
  • Boost efficiency
Learn more

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
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
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 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 and Sound Calibrators

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.

07/04-2025

A new breakthrough in 'Chinese speed'

imc&GRAS warmly congratulates the successful production of CR450 high-speed train prototype

Continue reading
27/03-2025

GRAS 40PM Wins Prestigious GAS Product Innovation Award

GRAS is proud to announce that its groundbreaking  GRAS 40PM production line microphone has been honored with the GAS（Global Audio Summit）Product Innovation Award, recognizing its exceptional advancements in five dimensions of technological innovation, design innovation, process innovation, intelligent inovation and originality. 

Continue reading
27/03-2025

Groundbreaking New Partnership for Global Test & Measurement Company Axiometrix Solutions in France

By today, Frank Mayer, CCO of Axiometrix Solutions and representatives of French distributor Equipements Scientifiques (ES), signed an agreement about a partnership between the two companies, representing a milestone for the expansions of the sales channel in the EMEA region. This exciting development will bring Axiometrix Solutions to new heights on the French market, providing the world-class test and measurement and sensor solutions of its brands imc, GRAS and Audio Precision to the French industry, offering improved services and integration.

Continue reading