| BASE MATERIAL | Environmentally friendly high-density board, solid oak, fir, paulownia, GRG |
| FINISH | Veneer, paint, latex paint |
| ENVIRONMENTAL PROTECTION STANDARD | National standard E1 level |
| FLAME RETARDANT STANDARD |
National standard B1 level |
| DIFFUSION FREQUENCY RANGE |
Full frequency |
| SCOPE OF APPLICATION | Theaters, concert halls, vocal rooms, recording studios, audio-visual rooms, and other places with high sound quality requirements |
Main features: QRS Acoustic Diffuser is designed strictly according to the airborne characteristics.
It produces uniform diffuse reflection under omnidirectional and multi-angle incident sound conditions, making the human voice more supple, the high frequency more full, and the small space has the effect of the hall.
