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Acoustic

Sefar high-precision filter fabrics for mobile devices, audio equipment, and automotive applications protect sensitive components and provide optimal sound and tone quality.


Enhanced Sound Clarity and Protection with Acoustic Filtration Solutions

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Highest Precision for Demanding Acoustic Application

Sefar acoustic filter fabrics deliver optimal sound and device usability while protecting sensitive components from dust, moisture, and particles.

Outstanding Quality and Protection

Our filtration solutions cover a broad range of acoustic impedances, providing optimal sound and tone in speakers, receivers, microphones, and drivers. This includes ribbons, rolls, tapes, and semi-finished products made from the finest existing yarn and designed with optimized mesh openings. The fabrics can also be used as an attractive design element for mobile, audio, and automotive applications.

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High performance and protection for smartphones, smartwatches, tablets, wearables, headphones, accessories, and portable speakers.

Enhancing Mobile Speaker Quality

Our acoustic fabrics ensure excellent sound transmission and protect internal components from dust, liquids, and particles. Designed for compact mobile devices, they meet strict acoustic, mechanical, and aesthetic demands, and can be manufactured to specific properties for heat, humidity, and pressure. The fabrics feature precise and uniform mesh openings, enabling easy integration into modern designs.

Products: SEFAR® ACOUSTIC HF


Precision Meets Protection

Broad Acoustic Impedance Range

Broad Acoustic Impedance Range

A wide Rayl range of acoustic impedance values enables optimal sound tuning and supports customer-specific performance requirements.

Our Products

Our component solutions are designed to meet the specific acoustic, dimensional, and environmental requirements of audio and communication devices. From consistent mesh geometry to sealed edges and flexible formats, every detail supports efficient assembly and reliable acoustic performance.

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    Acoustic

    Perfect Sound & Ultimate Protection

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Engineered and Fabricated for Excellence

Sefar offers full control of the supply chain, supported by quality consistency, prototyping, and global support for your acoustic filtration solutions.

Trusted Precision and Consistency

With full control from yarn to the finished component, we ensure consistent quality and acoustic performance. In-line testing verifies key parameters, including mesh size, open area, and water repellency, delivering reliability for demanding and regulated acoustic applications.

Tailored Support and Fabrication

Sefar offers expert guidance, fast prototyping, and flexible fabrication for ribbons, coatings, and custom finishes. Our global support and application know-how help to streamline product integration and meet specific performance and production requirements. 

Learn More About Us

Get in Touch in Switzerland

Sefar Heiden

Hinterbissaustrasse 12 9410 Heiden

Sefar Thal

Töberstrasse 4 9425 Thal

Our experts are here to help

Enrico Gaidano

Enrico Gaidano

Sales Engineer

Ricardo Lucas

Ricardo Lucas

Sales Engineer

Stefan Thurnherr

Stefan Thurnherr

Sales Engineer

Yoann Pupier

Yoann Pupier

Sales Engineer


Enabling Life Essentials

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