Selected products

A world of famous GRAS quality

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

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

Measurement microphone sets

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

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

Measurement microphone cartridges

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

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

Preamplifiers

GRAS 43AG Ear & Cheek Simulator
GRAS 43AG Ear & Cheek Simulator

GRAS 43AG Ear & Cheek Simulator

Ear simulator kits

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

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

Artificial ears, ear & mouth simulators

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

GRAS 45BB KEMAR Head & Torso, Non-configured

Head & Torso Simulators

GRAS 45CC Headphone Test Fixture
GRAS 45CC Headphone Test Fixture

GRAS 45CC Headphone Test Fixture

Test fixtures

67HA-CCP 1 m CCP Hemisphere kit
67HA-CCP 1 m  CCP Hemisphere kit

67HA-CCP 1 m CCP Hemisphere kit

Hemisphere kits

GRAS 42AG Multifunction Sound Calibrator, Class 1
GRAS 42AG Multifunction Sound Calibrator, Class 1

GRAS 42AG Multifunction Sound Calibrator, Class 1

Sound calibrator

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

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

Intensity Probes

Read the latest news

..or visit the archive

19/04-2018

GRAS at Dewesoft Conference 2018 in Slovenia

This week GRAS attended the 2018 Worldwide Measurement Conference in Slovenia hosted by Dewesoft. GRAS would like to thank Dewesoft for a great conference, excellent organization and an astonishing location. Elmira and Santiago represented GRAS and met many end-users, reps and partners from all around the world and from many different industries.

12/04-2018

Danish acoustic solution ensures optimal speech transmission

Danish acoustic solution ensures optimal communication in the Aerospace and Defense Industry - With the GRAS 45CC Headphone Test Fixture for headsets Invisio has secured a test setup suitable for both development and production of headsets.

15/03-2018

Headphone Seminars in Korea & Japan

Last week GRAS hosted a fully booked Headphone Seminar together with Listen, Inc. More than 150 people in Seoul, and over 50 people in Tokyo attended the Seminar, where Peter Wulf-Andersen, Steve Temme, Dr. Sean Olive and Prof. Lee spoke about headphone measurement challenges, perception and design and tuning.