- noise r
- No soun
- Semi-an
- listeni
- Air sou
noise roomNoise room (noise room) is to simulate the free field space indoors, so the sound absorption coefficient of each surface in the room is required to be above 99%. [More]
Thanks to the R&D and manufacturi2025-01-09
Congratulations on our semi-anech2025-01-09
Congratulations on the smooth acc2025-01-08
Thanks to Beijing Public Utilitie2025-01-08
Congratulations on the smooth han2025-01-08
Thanks to Chengdu Qihang System I2025-01-07
Congratulations on our fully anec2025-01-07





Tianbao Electronics (Huizho
Kanghong Environmental Prot
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