型        号：D8
基        材：进口榉木。
环保性能：产品经检测完全符合国家环保和消防规范。
饰        面：原木板上油漆。
主要特点：本系列产品吸音效果好，改善混响时间显著。声学特性达到国家同类材料标准，有效提高环境音质饱满度，清晰度及立体感。
常用规格：2440x100x27mm
适用范围：音乐厅、家庭影院、HIFI试听室、录音房等高档场所内墙装，以及改善音质质量，提高语音清晰度。

Type: D8
The base material: imported solid wood.
Environmental performance: the product has been tested and fully comply with national environmental and fire codes.
Finishes: Wood board paint.
Main features: This series of products absorbing effect is good, and significantly improve the reverberation time. The acoustic characteristics similar materials meet the national standard, effectively improve the the environment sound quality plumpness, clarity and three-dimensional.
Common Specifications: 2440 x 100 x 27mm
Scope: Concert Hall, home theater, HIFI listening rooms, recording rooms, and other high places interior wall mounted, and to improve the sound quality quality, improve speech intelligibility.

扩散原理
QRD扩散体是由一系列列变深度的平行藻井组成，当声波由135°入射到水平放置的QRD时，它就能在30°~150°之间以相等的强度将声音反射出去。