Got a question?

If you have a question, feel free to contact us:

GRAS Sound & Vibration 

Headquarter | gras@grasacoustics.com
UK       | sales-uk@grasacoustics.com
USA    | sales-usa@grasacoustics.com
China | cnsales@grasacoustics.com


GRAS worldwide

PL and QC

Standard Testing

Testing according to the standards: IEC 60268, IEC 60318-4, IEC 60318-1, and ITU-T Rec P.57.

For high-frequency testing, click here. For hi-res testing, click here.

Universal Acoustic Test Fixtures    |    Ear Simulator Kits

Universal Acoustic Test Fixtures

Table-top test fixtures are easy to use and ideal for testing on the production line when fast and repeatable mounting is an important parameter.

45CA Headphone/Hearing Protector Test Fixture
2-channel Test Fixture

Very high Self-Insertion Loss (<65 dB)

Modifiable with various ear simulators and pinnae

Perfect for ANC performance test due to the high SIL

Headphone

60318-1 Testing

45CA-3 IEC 60318-1 ear simulators, 2-Ch. LEMO

45CA-4 IEC 60318-1 ear simulators, 2-Ch. CCP

Headphone

IEC 60268/60318-4 Testing with Standard Pinnae (10 kHz)

45CA-5 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45CA-6 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Anthropometric Pinnae (10 kHz)

45CA-7 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45CA-8 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP
45CC Headphone Test Fixture
Modular 2-channel Test Fixture

ANC performance test (low-level ANC)

Adjustable to suit any headphone test setup

Precise setup reproduction for use between R&D, PL and QA/QC

Headphone        Headset blue

Testing with WS2P 1/2” Microphones

45CC-1 1/2” microphones, 2-Ch. LEMO

45CC-2 1/2” microphones, 2-Ch. CCP

Headphone blue        Headset blue 

60318-1 Testing

45CC-3 IEC 60318-1 ear simulator, 2-Ch, LEMO

45CC-4 IEC 60318-1 ear simulator, 2-Ch, CCP

Headphone       Headset        Headset blue        In Ear Blue

IEC 60318-4 Testing with Pinnae

45CC-14 IEC 60318-4 ear simulator with pinnae, 2-Ch. LEMO

45CC-15 IEC 60318-4 ear simulator with pinnae, 2-Ch. CCP

Ear Simulator Kits

Table-top test fixtures are easy to use and ideal for testing on the production line when fast and repeatable mounting is an important parameter.

43AG Ear and Cheek Simulator
1-channel Table-top Test Fixture

Can measure circumaural, supra-aural and in-ear headphones

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Standard Pinna (10 kHz)

43AG-1 IEC 60318-4 ear simulator and standard pinna, LEMO

43AG-2 IEC 60318-4 ear simulator and standard pinna, CCP

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Anthro. Pinna (10 kHz)

43AG-3 IEC 60318-4 ear simulator and anthropometric pinna, LEMO

43AG-4 IEC 60318-4 ear simulator and anthropometric pinna, CCP
43AC Ear Simulator Kit
1-channel Table-top Test Fixture

For measurements on hearing aids

Earphone        In Ear Blue

IEC 60318-4 (10 kHz)

43AC IEC 60318-4 ear simulator, LEMO

43AC-S1 IEC 60318-4 ear simulator, CCP
43AD
For Production Line

1/2” microphone and preamplifier included

Mounting plate for circum-aural headphones

For PL testing

Headphone

IEC 60318-1/ITU-T P.57 Type 1

43AD Ear Simulator Kit ITU-T P.57, LEMO

43AD-S1 Ear Simulator Kit ITU-T P.57, CCP
43AE
For Production Line

60318-4 ear simulator

Low-leak simplified pinna simulator

High-leak simplified pinna simulator

For PL testing

Headphone

IEC 60318-4/ITU-T P.57 Type 3.2 (10 kHz)

43AE Ear Simulator Kit ITU-T P.57, LEMO

43AE-S1 Ear Simulator Kit ITU-T P.57, CCP