Acoustic diffuser Inca

Product Overview

Inca Diffuser is an excellent choice in the search for ways to increase the diffuse sound field. Inka is made of expanded polystyrene (EPS), extremely lightweight and very easy to install. It offers optimal results in the medium and high frequency range. It’s design is unusual, acoustically and aesthetically balanced and helps to achieve an abstract visual effect via diffuse grid made of at least four Inca Diffusers.


Acoustic diffuser Inca is suitable for:

Conference rooms
Office phone booths
Re-creation rooms
Rehearsal and music studios
Concert and lecture halls

Technical Details

Material: expаnded polystyrene
Color: dark grey
Dimensions: 600 x 600 mm
Highest point: 150 mm
EDA: 0,85 m²
Installation: direct mounting with glue


The adhesive for the installation is polyurethane installation glue available for order from Decibel.

Diffusion coefficient

Technical data

Material expаnded polystyrene
Color dark grey
Dimensions 600 x 600 mm
Highest point 150 mm
EDA 0,85 m²
Installation direct mounting with glue