消声静压箱一般是安装在风机或空调风柜的出(回)静压箱内贴有吸声材料，既可以稳定气流，又可以用箱断面的突变和箱体内表面的吸声作用，对风机或空调风柜得噪声做有效的衰减。
结构
消声腔内壁填塞50mm厚离心玻璃棉，外覆玻璃布及Φ3mm孔径多孔板，龙骨为镀锌板。
AXX型消声静压箱的性能实测结情况简介
| 工况 | 频率 | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | 10000 |
| 空管 | 静态 | 65.0 | 71.0 | 95.5 | 97.0 | 90.5 | 90.5 | 77.5 | 60.5 | 84.5 |
| 3m/s | 65.5 | 71.5 | 95.5 | 97.0 | 90.5 | 90.5 | 77.5 | 60.5 | 84.5 | |
| 6m/s | 66.5 | 71.0 | 95.5 | 97.0 | 90.5 | 90.5 | 78.0 | 60.5 | 84.5 | |
| 9m/s | 68.5 | 71.5 | 95.5 | 97.0 | 90.5 | 91.0 | 78.0 | 60.5 | 84.5 | |
| 装消声器 | 静态 | 64.5 | 70.5 | 87.5 | 82.5 | 72.5 | 79.5 | 69.0 | 55.5 | 69.5 |
| 3m/s | 64.5 | 71.0 | 87.5 | 82.5 | 71.5 | 79.5 | 69.5 | 55.0 | 69.5 | |
| 6m/s | 66.0 | 70.5 | 87.5 | 93.0 | 71.5 | 79.5 | 70.0 | 55.0 | 70.0 | |
| 9m/s | 68.0 | 71.0 | 87.5 | 93.0 | 71.5 | 80 | 70.0 | 55.0 | 70.0 | |
| 消声量 | 静态 | 0.5 | 0.5 | 8.0 | 14.5 | 18.5 | 11.0 | 8.5 | 5.0 | 15.0 |
| 3m/s | 1.0 | 0.5 | 8.5 | 14.5 | 19.0 | 11.0 | 8.0 | 5.5 | 15.0 | |
| 6m/s | 0.5 | 0.5 | 8.0 | 14.0 | 19.0 | 11.0 | 8.0 | 5.5 | 14.5 | |
| 9m/s | 0.5 | 0.5 | 8.0 | 14.0 | 19.0 | 11.0 | 8.0 | 5.5 | 14.5 |