GORE® Acoustic Vents

Grounded in a deep understanding of acoustic science and reinforced by years of experience in material sets and capabilities research, GORE® Acoustic Vents provide proven protection against particulate and liquid contamination, and water immersion without compromising acoustic performance.

Contact Us

United States

+1 866 348 4673

Australia

+61 2 9473 6800

Benelux

+49 89 4612 2211

China

+86 21 5172 8299

France

+33 1 5695 6565

Germany

+49 89 4612 2211

India

+91 22 6768 7000

Italy

+39 045 6209 240

Japan

+81 3 6746 2572

Korea

+82 2 393 3411

Mexico

+52 81 8288 1281

Scandinavia

+46 31 706 7800

Singapore

+65 6733 2882

South America

+55 11 5502 7800

Spain

+34 93 480 6900

Taiwan

+886 2 2173 7799

United Kingdom

+44 1506 460123

Resource Library

Why Choose A Gore Acoustic Vent screenshot

Portable Electronic Vents

Why Choose a GORE® Acoustic Vent?

Technical Information, 143.95 KB

Gore has an unsurpassed track record in delivering global venting solutions. As the worldwide leader in venting technology, we've engineered unique venting materials and structures for everything from medical and industrial applications to GORE-TEX® fabrics for consumer outerwear.

English (U.S.)

All Resources For GORE® Acoustic Vents

Overview

Acoustic science is at the heart of Gore’s competitive advantage–with significant investments in new technologies, advanced equipment, unique testing methods, modeling services and a dedicated team of specialists–all geared to deliver products of uncompromising quality  that meet our customers’ expectations and are fit for their intended end use.

Our dedication to solutions-driven products, backed by decades of experience in material sets and capabilities research, has put GORE® Acoustic Vents at the forefront of innovation, allowing us to deliver unparalleled liquid and particulate protection while maintaining exceptional levels of acoustic performance and consistency.

Each venting solution is precision engineered to achieve the highest Ingress Protection (IP) standards while balancing the trade-offs of acoustic loss. Our scientists and engineers have even developed additional protocols to better reflect real-world conditions and ensure industry-leading performance, durability and reliability… even after exposure to water.

Applications for Acoustic Vents

With over a decade of experience and designs in thousands of portable electronics devices, Gore is uniquely qualified to provide and develop optimal venting solutions for a variety of applications.

GORE® Acoustic Vents for Immersion Protection

Ideal for portable electronic devices exposed to water challenges, including immersion, that require good sound transparency and acoustic performance.

Today's consumers increasingly demand immersion-resistant handsets, wearables and other mobile electronic devices. Normally, reliable waterproofing involves a trade-off in audio quality, however, GORE® Acoustic Vents for Immersion Applications facilitate optimal acoustic performance while effectively repelling water, other fluids and particulates.

Our venting solutions are engineered to protect against the harshest environmental challenges, including soap and other liquids. We have a range of venting products that provide immersion protection to 50 m while maintaining accurate response to sound transmissions.

One of Gore’s basic principles is to ensure our products are engineered to meet or exceed the needs of our customers’ specific applications, a concept we refer to as “fitness for use”. All our vents are subjected to rigorous material qualification and testing–including measuring transmission loss, our Extended Water Entry Pressure (eWEP) test and many other protocols that go above and beyond IP standards.

GORE® Acoustic Vents for Dust and Splash Protection

Ideal for portable electronic devices that need to stand up to dust and splash hazards that require good sound transparency and acoustic performance–rated up to IP6x:

In audio devices with woven vent material, metal particles can be drawn in by, and settle on top of, the speaker magnet. As these particles accumulate, their increasing mass and weight inhibits the diaphragm from producing high levels of sound pressure.

GORE® Acoustic Vents for Dust and Splash Applications use non-woven membrane materials with a three-dimensional tortuous path structure. This allows them to effectively capture particles of varied shapes and sizes while protecting against acoustic degradation, enhancing both speaker longevity and device reliability.

Cross section of woven material
Cross section of woven material

For devices designed to have openings near the transducers, our engineers have also developed a rigorous “moving showerhead” test designed to increase the likelihood of water directly splashing on device openings–as would happen under real-world conditions. Using these Gore protocols, we can predict how well devices will be protected against splash hazards with greater accuracy. In addition, they allow us to evaluate potential housing solutions during the development process, before the device has been completed and assembled.

Product Comparison

Gore ensures all aspects of our vents are optimized to meet the specific requirements of each customer application, from water resistance level to acoustic performance to geometries.

Product selection chart
GORE® Acoustic Vents for Immersion

Characteristics/
Performance

Series
GAW 333a

Series
GAW 334a

Series
GAW 337a

Series
GAW 338a

Series
GAW 331a

IP rating
(IEC 60529)b
Extended immersion test conditions

IP67; IP68
(2 m water
@ 1 hr)

IP67; IP68
(2 m water
@ 1 hr)

IP67; IP68
(2 m water
@ 1 hr)

IP67; IP68
(2 m water
@1 hr)

IP67; IP68 c
(10 m water
@1 hr)

ISO Rating
(ISO 22810)

N/A

N/A

N/A

N/A

30 m water
@ 10 mind

Insertion Loss
@ 1kHze (I.D. 1.6 mm)

< 1.5 dB

< 1.8 dB

< 1.3 dB

< 1.3 dB

< 4 dB

Membrane Type

ePTFE

Membrane Characteristic

Hydrophobic

Oleophobic

Hydrophobic

Oleophobic

Oleophobic

Membrane Color

White

Black

White

Black

Black

Support Material

PET

Adhesive Temperature Resistance

-40°C to 85 °C

-20°C to 85°C

-20°C to 85°C

-20°C to 85°CC

-40°C to 85°C

Adhesive type

Acrylic

RoHS f

Meets Threshold Requirements

a Patent issued: US6512834C1
b IP ratings for assembled devices depend on the design of the product housing.
c Part I.D. 3.0 mm / O.D. 6.0 mm.
d Part I.D. 1.6 mm / O.D. 4.2 mm.
e Tested using a typical MEMS microphone system. Design of assembled device will affect performance.
f To the best of our knowledge, the parts listed above do not have any restricted substances above the maximum concentration values listed in RoHS Directive 2011/65/EU. This information is based on our current level of knowledge and does not constitute a representation or warranty beyond those contained in our standard terms and conditions.

GORE® Acoustic Vents for Dust and Splash

We offer a range of standard vents for you to choose from:

Characteristics/ Performance

Series GAW 111

Series GAW 112

IP rating (IED 529, 2nd)a

IP4x

IP4x, IP6x

Comparative water spray efficiencyb

60%

75%

Average acoustic impedance
(impedance from 200–5000 Hz, per ASTM 1050, modified)

45 rayls MKS

105 rayls MKS

Maximum transmission loss
(max value 200–5000 Hz, per ASTM WK5285)

< 1 dB

< 2 dB

Material type & color

Cellulose/PET-Nonwoven & dark gray

Membrane characteristic

Oleophobic

Reference thicknessc

0.18 mm

0.24 mm

Recommended part orientation

Mount on interior of housing

Adhesive temperature range

-40 °C to 70 °C

Adhesive type

Acrylic

RoHSd

Meets threshold requirements

a IP ratings depend on the design of the product housing.
b Per Gore Water Spray-001: Direct stream at 70ml/min at 10psi; 0% efficiency represents open condition.
c Nominal aggregate thickness of adhesive and PET nonwoven layers. Actual thickness may vary due to the compressibility of materials.
d To the best of our knowledge, the parts listed above do not have any restricted substances above the maximum concentration values listed in RoHS Directive 2011/65/EU. This information is based on our current level of knowledge and does not constitute a representation or warranty beyond those contained in our standard terms and conditions.

Design Considerations

Predicting the conditions your product will encounter can be difficult, so our application engineers are on hand to assist in selecting the right solution for your specific application requirements–ensuring the selected solution meets the protection requirement while still providing the best acoustic performance.

Factors that might be considered include:

  • What is the minimum requirement for acoustic consistency?
  • What is the maximum level of transmission loss allowable?
  • How will the product be used?
  • What is the required frequency range?
  • What are the required liquid, particulate and contaminant protection levels?
  • Will your device need protection against water immersion?
  • What shape, size and thickness of the vent is required?
  • How much space is available within your device enclosure? Will there be an open cavity?
  • What surface will the vent be mounted on and what type of adhesive is required?
  • What are the minimum and maximum temperatures your device may face?
  • Will vents be mounted by hand or by pick and place machine?
Cross section of typical vent
Technical sketch of typical vent
Installation and Use

Working directly with OEMs and manufacturers, GORE® Acoustic Vents have been developed to be easily applied manually or as part of high-volume manufacturing processes and automated installation procedures. Please see below for our product installation manuals and videos:

Why GORE® Portable Electronic Vents?

Leading OEMs choose Gore because our products and services enable them to develop differentiated products with low development and supply-chain risk in a fast-paced, highly competitive market.

Product and Application Leadership
Reliable Performance

With over 20 years of industry expertise and over 3 billion vents sold, Gore provides the optimum venting solution to OEM manufacturing chains.

Grounded in a deep understanding of acoustic science and SMT manufacturing processes–reinforced by years of experience in material sets and capabilities research–we are specialists at balancing the trade-offs between diverse problems such as adverse environments, contamination prevention and acoustic performance.

 
Reliable Performance
Sales and support

At Gore, we make a commitment to every customer that our products will "do what we say they will do", and we stand behind that promise. 

Every product must adhere to the highest standards because their quality, performance and reliability impact not only our reputation, but our customers’ reputation too. To ensure products are "fit for intended use" a comprehensive understanding of the end-use application is required, as well as pertinent test requirements.

 
Local Sales and Technical Support
Partner

Our knowledgeable and experienced local sales and technical teams across the globe offer prompt, thorough and hands-on service and technical support. They collaborate with OEMs and their contract manufacturers to develop reliable, high-performance products to ensure there are no surprises before or after product launch.

 
Trustworthy Partner
Partner

Our global supply chain is robust and agile with short lead times and sufficient capacity for the largest programs and fastest ramps.

 
The GORE™ Membrane: The heart of our venting technology
Gore Membrane

Gore is the world leader in understanding expanded polytetrafluoroethylene (ePTFE) and its capabilities. Our ability to engineer ePTFE to include specific physical properties enables us to develop high performance products for challenging environments.

OUR KNOWLEDGE OF FLUOROPOLYMERS AND OUR ADVANCED ENGINEERING CAPABILITIES ARE AT THE HEART OF A WIDE RANGE OF REMARKABLE MATERIALS.

 

Case Studies

Read about how the GORE® Portable Electronic Vents team of engineers and scientists are working with customers to ensure delivery of the best possible venting, production and customized solutions:

Resource Library

Get all the media and documentation available for GORE® Portable Electronic Vents:

Recent News

Press Release

Gore Introduces the Latest Advancement in Improving Yields Through the MEMS Microphone Manufacturing Process

Posted January 31, 2019

The latest portable electronic devices are expected to go everywhere with us and withstand anything, as soon as they leave the assembly line… but what about while they are still on the assembly line?

News

Reduce Failure. Enhance Yields.

Posted January 31, 2019

There are several technical challenges during high-volume assembly of printed circuit boards that can jeopardize the integrity of MEMS microphones. Gore’s design and engineering teams have developed a unique solution – new GORE MEMS Protective Vents.

Press Release

Gore Introduces Another Advancement in Pressure Venting Technology – New GORE® Pressure Vents Product Model PE13

Posted November 27, 2018

The new GORE® Pressure Vents product model PE13 vastly improves airflow while offering highly reliable particle contaminant and liquid immersion protection.

News

Extreme Pressure Meets Ultimate Protection.

Posted November 27, 2018

People are taking their devices everywhere and through all conditions, subjecting them to temperature changes, rapid altitude and pressure shifts, compression of sensitive touchscreens and even immersion in liquids. Over time, this can put stress on housing seals allowing water and contaminants to enter device, and create pressure build-ups in acoustic cavities causing transducer bias, compromising acoustic quality and eventually damaging the transducer.

View all News & Events

FOR INDUSTRIAL USE ONLY

Not for use in food, drug, cosmetic or medical device manufacturing, processing, or packaging operations.