Credence acoustic diffuser is made of high quality MDF board and has outstanding environmental, flame retardant and waterproof functions. The various colors and finish choices can satisfy all the customer’s acoustic and decoration requirements.

QRD- Diffusers

Credence acoustic diffusers adopt the ORD diffusion principle that is quadratic residue theory, And the diffuser is formed from the quadratic residue calculation based on the different depth of the panels. The sound energy enters the different depth of diffuser and was reflected at different time, so the peak and the bottom spectrums become smoother and to make a more neutral and balanced listening space.

Product Specification:

Finish – Spray Paint
Material – fire retardant MDF
Width – 128 mm
Length – 2440mm
NRC – 0.8-0.9
Thickness – 25 mm
Model –28 -4


Application Place:

Gym, audititorium, multi-function hall, conference room, lecture hall, recording room, studio etc.


It is environmental  friendly , fire retardant , Excellent decorative panels which gives various choice to create an environment of high standard in sound ,colour ,appearance comfort and ambience.