Make your products audibly and

noticeably better with GREWUS components

Acoustic signal sensores and haptic actuators are being installed in an increasing number of machines, systems, and devices. They warn, remind, inform, give users feedback on operation, and help people find their way in everyday life.


At GREWUS, we develop and produce innovative acoustic signal sensores and haptic actuators for all industries and applications. You will find our products in many vehicles and industrial plants, in the office, in the household, and even in medical technology. You probably have already come into contact with our signalling devices, because we are one of the market leaders in our field worldwide. We also develop and manufacture suitable solutions for your products, always tailored to your requirements and with “sensible” added value for you and your customers.

Our Products

Global competence center for acoustics and haptics



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Our news at a glance

LRA Automotive

Active haptics is also becoming increasingly important in the automotive industry. There are many different technologies and possibilities for generating this. However, they also quickly reach their limits. Many different factors have to be considered to develop excellent haptic feedback in, for example, a steering…

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EuroHaptics 2022 – Workshop Sunday 22.05.2022

HANDS-ON TUTORIAL: PARTICIPATORY INTEGRATION OF HAPTIC ACTUATORS AND THEIR LIMITATIONS The workshop will offer a variety of different demonstrators and a modularized system in order to experience and evaluate core considerations when integrating active haptic actuators into any application. The main take-away is aimed at…

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Haptics Club #20 Quantification of haptics with Elisa Santella

The Haptics Club was founded, as they say about themselves, “by geeks.” There is an association of haptics experts who love to discuss and exchange active haptic feedback. For this purpose, they invite well-known personalities of the haptics scene worldwide every two weeks and pester…

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