type clow


The natural type

TOPPERFO - Clou is a very popular option of using small holes with a hole size above 1.2 mm for a very good noise absorption. The subtle effect of the drilled holes, combined with the high effect in the middle frequency range is an excellent solution.

The advantages of this type at a glance:

  • very small holes above 1.2mm!
  • hardly visible perforation
  • still good absorption!
  • simply natural
  • Individual solutions and options upon inquiry. Contact us with no obligation!