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Acoustic

High-precision filter fabrics from Sefar protect sensitive components in mobile devices, audio technology, and automotive applications, while ensuring optimal sound and audio quality.


Clear Sound and Reliable Protection with Acoustic Filtration Solutions

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Highest Precision for Demanding Acoustic Applications

Sefar acoustic filter fabrics ensure optimal sound quality and device performance while protecting sensitive components from dust, moisture, and particles.

Outstanding Quality and Protection

Our filtration solutions cover a broad range of acoustic impedance values to ensure precise sound tuning and audio clarity in speakers, microphones, receivers, and drivers. This includes ribbons, rolls, tapes, and semi-finished products made from the finest yarns with optimized mesh openings. The fabrics can also serve as design elements in mobile devices, audio systems, and automotive interiors.

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

Optimized Acoustics for Mobile Speaker Systems

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. Features such as consistent mesh geometry to sealed edges and flexible formats supports seamless integration and reliable acoustic performance.

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    Acoustic Overview

    Perfect Sound & Ultimate Protection

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Engineered and Fabricated for Excellent Results

Sefar offers full supply chain control, backed by consistent quality, rapid prototyping, and global support for your acoustic filtration needs.

Reliable Precision with Consistency Quality

From yarn production to finished components, we ensure product quality and acoustic performance. Key parameters such as mesh size, open area, and water repellency are continuously monitored through in-line testing, ensuring reliability in demanding and regulated acoustic applications.

Tailored Support and Fabrication

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

Learn More About Us

Get in Touch in India

Sefar India HQ

A4/11-16, Prerana Complex Anjur Mankoli Road , Village Val District - Thane 421302 Bhiwandi

Head Office and Plant

Sefar India

Renaissance Holdings & Developers (P) Ltd, No. 50, Door No : 301, 3rd Floor, “Renaissance Landmark”17th cross, 8th main 560055 Bengalore

Sales Office - South Region

Sefar India

BS-1511, 15th Floor, Galaxy Diamond Plaza,Noida Extension 201308 Ghaziabad

Sales Office - North Region

Our expert is here to help you

Rajesh Kumar Gupta

Rajesh Kumar Gupta

Managing Director


Enabling Life Essentials

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