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Filters for electroacoustic devices and components


Sefar has established a new benchmark for the acoustics industry for protection of loudspeakers and microphones. We offer ribbons and semi-finished products in the SEFAR ACOUSTIC and SEFAR METALEN product families.

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Sefar offers high-precision fabrics that provide consistent and reliable acoustic performance and also protect sensitive components from dirt, particles and liquids. In addition, the fabrics can be used as an attractive design component.

Our fabrics have an enormous range of acoustic impedances, which enables us to provide optimal sound and tone quality in a wide variety of speakers, receivers, microphones and drivers. Sefar offers the fabric qualities SEFAR ACOUSTIC and SEFAR METALEN as rolls, tapes and semi-finished products.


Mobile communication

Smartphones, smartwatches, tablets, wearables, headphones, accessories and portable speakers

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Broad range of acoustic impedance (Rayl) to provide optimal and/or customer-specified sound quality

Excellent protection against dust, particles and liquids

Hydrophobic and oleophobic surface coating

Also usable as a design feature

Can be manufactured to have specific ventilation properties (heat, humidity, pressure)

Precise and uniform mesh openings

Exceptional quality consistency from lot-to-lot


Professional audio equipment

Hearing aids, microphones, conference and presentation systems

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Broad range of acoustic impedance (Rayl) for optimal and/or customer-specified sound quality

Excellent protection against dust, particles and liquids

Hydrophobic and oleophobic surface coating

Precise and uniform mesh openings

Exceptional quality consistency from lot-to-lot


Automotive filters

Microphones, hands-free units, speech recognition systems

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Broad range of acoustic impedance (Rayl) for optimal and/or customer-specified sound quality

Excellent protection against dust, particles and liquids

Hydrophobic and oleophobic surface coatings

Effective wind noise reduction

Exceptional lot-to-lot consistency

Production according to IATF 16949

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Your Benefits

Highest penetration protection down to the lowest Rayl value (finest existing yarn and optimized mesh opening)

Fully traceable and strictly controlled production (ISO 9001, ISO 14001 and IATF 16949)

Own production of high quality and exclusive yarns and fabrics within the Sefar Group

Sefar is a global player with knowledgeable local contact partners worldwide

Sefar is an experienced and established industrial partner

 

Please call us for further information. We will also gladly send you fabric samples!

Further details can also be found in the brochure 'Audio Devices' under Downloads.