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

67HA 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

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28/06-2022

GRAS Increases Ease of Use of Ear Simulator Platforms

TEDS functionality now incorporated in GRAS couplers, ear simulators, and head and torso systems

09/06-2022

Standardization of the GRAS RA0252 Coupler

New IEC standard for acoustic 0.4cc couplers, enables GRAS to offer a cost-efficient validation tool in the frequency range up to 16 kHz that adheres to standards.GRAS Sound & Vibration, part of Axiometrix Solutions, a global leader in test and measurement solutions, has a complete line of production line tools for high-frequency measurements and is now the only provider of 0.4cc couplers that follow IEC standards.

14/12-2021

GRAS Releases New Power Modules

12BE, 12BC, 12BF, and 12BD Microphone Power Modules with TEDSGRAS Sound and Vibration, part of Axiometrix Solutions, is today adding four new power modules to its existing line of power modules: GRAS 12BE, 12BC, 12BF, and 12BD Microphone Power Modules aimed at engineers who need to power CCP or LEMO measurement microphones and would like seamless integration of microphone sensitivity via TEDS.