Sound attenuators

Our sound attenuators are offered in cooperation with our parent company HoKa GmbH.

The HoKa sound attenuator reducer is available with socket or flange and internal round plastic fitting. The sound attenuator reducers are tested by the IFI Institut für Industrieaerodynamik GmbH. The socket diameter follows the DIN 8062 standard.

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Sound attenuator reducer with socket

We’re glad to help if you have questions!

Telephone: +49 (0) 2242 / 92 09 0
E-mail: funken(at)

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Sound attenuator reducer with flange