Model Number: QRD-#3379 Brand Name: COLORBO Key Specifications/Special Features: Diffused acoustic panel: colorbo diffused acoustic panel used high density mold-proof, fireproof, environmental MDF, poly-foam, walnut wood as base material, processed by full automatic computer controlled equipment, can give good decoration & diffusion function, make the room sound energy distribution and eliminate echoDiffusion frequency: 125-4KHz center spread around 1KHz frequency1.Diffused acoustic panel structure:It use high density board to manufacture, paint finishes, with holes on back side and use black acoustic tissue which has fire rated and sound-absorption function2. Spread principle:QRD spread principle is a change of the depth of the parallel angle into composition, when sound waves 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 out3.Features and advantages:

It has attractive appearance, good decorative effects, strong stereoscopic sense, easy installation features
Applies to both the decor and the warm wood required effect, but also reach the sound absorption requirements
The diffuser can be used to not only the sound of the room evenly, preventing echoes, and the standing wave effect howling, but also can improve the brightness of the sound

4. Absorption

QRD reflection is difference according to different woodiness and designs have different characters of absorption, we can design out according to the different requirements of customers provide diffusion system number and the absorption

5.Installation method

Can use wall nail or wedge-shaped wooden keel to fix it on the wall directly