Leading in noise and vibration excitation technology, Qsources  has been developing and producing sound sources, shakers, sensors, etc. from 1992 onwards:

Some Qsources products have become the standard equipment for specilized NVH tests in the automotive industry world wide.

Building-acoustics sound sources which are by far the lightest on the market, with a performance level exceeding others.


Specialization and fast innovation has lead to proprietary and patented technologies in our products:

  • Efficient and powerful Lorenz drive systems in shakers and sound sources
  • Fully integrated high resolution sensors in sources and shakers
  • Unique self-suspending shakers with 6 degrees of freedom decoupling suspension systems
  • Power flow sensing for fast acting overload protection for sources and shakers  
  • And more to come

The assortment of Qsources consists of two product ranges for different markets:

Qsources develops, manufactures and markets a diverse range of powerful and professional Sound Sources and amplifiers for building-, industry- and environmental-acoustics, and other applications. 

Infra-Qsources products are sold worldwide in cooperation with a group of distribution partners.

Qsources develops and manufactures sensor integrated self-suspending shakers and sensor integrated sound sources exclusively for Siemens plm. LMS Qsources products are used in automotive, aerospace, electronics, and other various applications.