Uses industrial high performance sound absorbing material
QonPET sound absorbing material developed for industrial use and layered with carefully selected color fabric.
This sound absorbing material has been proven in various fields such as bullet trains, construction machinery, and factories.
Captures and absorbs sound from a wide range of frequencies that are concerned about everyday use.
OTTO sound absorbing material is basically used in places where sound is occurred.
(This OTTO is not recommended if you want to reduce outside noise)