型        號：D8
基        材：進口櫸木。
環保性能：產品經檢測完全符合國家環保和消防規范。
飾        面：原木板上油漆。
主要特點：本系列產品吸音效果好，改善混響時間顯著。聲學特性達到國家同類材料標準，有效提高環境音質飽滿度，清晰度及立體感。
常用規格：2440x100x27mm
適用范圍：音樂廳、家庭影院、HIFI試聽室、錄音房等高檔場所內墻裝，以及改善音質質量，提高語音清晰度。

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.

擴散原理
QRD擴散體是由一系列列變深度的平行藻井組成，當聲波由135°入射到水平放置的QRD時，它就能在30°~150°之間以相等的強度將聲音反射出去。