oblique triangle QRD sound diffuser panel new model

FOB Reference Price:Get Latest Price
US $80-100 / Piece | 100 Piece/Pieces (Min. Order)
Supply Ability:
1000 Piece/Pieces per Month
Report Suspicious Activity
Quick Details
Acoustic Panels
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Acoustic Panel Type:
Diffuser Acoustic Panels
core material:
china fir wood
oblique triangle
Packaging & Delivery
Packaging Details
Delivery Time
within 10 days after receiving deposit


Product Information

Description: QRD Sound Diffuser is high effect of sound diffusing function, can beautify the sound quality in huge wide place. 

Model:  oblique triangle shape diffusion panel 

Size: 600*600*120mm

Function: sound absorption and sound diffuser feature 



Product Show




Test Report

With sound absorption and sound  diffuser feature

QRD 750*800*310mm

Test scale 1:1, the distance betwween sound source and QRD is 10m, and the distance between receiving point and QRD is 5 m



QRD 600*1200*310mm

total of 14 QRD placed in the central of reverberation room ground,,toatal 10.1sqm





Packing:2 pieces/ctn


Our Services


Our Company

1) Foshan Yingzhe Building Material Co., Ltd. is a professional factory, specializing in modern sound-absorbing material.

2) We have rich experience of explore,  production, project management and aftersale service for acoustic products.

3) Alibaba Assessed 5th years Gold Supplier.

4) All of our products are tested by safety certificate so as to reach excellent and safe standard.

5) High quality and  best service with low price.



1.Why we need choose QRD Sound Diffuser?

Reflecting faults

If a person in a flat side wall of the rectangular hall, he heard music heard the voice will be ringing, hard or harsh, this phenomenon is called frequency dyeing effect.


2.What is QRD Sound Diffuser?

QRD Sound Diffuser is a kind of irregular plane design, the purpose is reflected in the produce, it spread produces is very rich and round in early sound mixing sound, from--from the lateral seems to reach the audience, roof and can significantly improve the sound quality hall effect.


3.What is spread principle for QRD?

QRD spread principle is a change of the depth of the parallel "algae into" composition, when sound waves from 135 degrees to the level of the incident QRD position, it can in 30 degrees to 150 degrees in equal between the intensity of sound will reflect out


4.How to make absorption?

QRD reflection is different according to different woodiness have different characteristics of absorption, we can design out according to the different requirements of customers provide diffusion system number and the absorption coefficient.