Head and Torso Simulators (HATS)

Type 4128-D Head and Torso Simulator (HATS)

Type 4128-D Head and Torso Simulator (HATS)

Head and Torso Simulator (HATS) Type 4128D is a manikin with built-in ear and mouth simulators that provides a realistic reproduction of the acoustic properties of an average adult human head and torso. It is designed to be used in-situ electroacoustics tests on, for example, telephone handsets, headsets, audio conference devices, microphones, headphones, hearing aids and hearing protectors.

Handset Positioner Type 4606 for accurate positioning of telephone handsets on the HATS for electroacoustic measurements is included.


  • Telephone handsets (including mobile and cordless)
  • Headsets
  • Audio conference devices
  • Microphones
  • Headphones
  • Hearing aids
  • Hearing protectors
  • Smart Speakers