Product Mode： Fixed mode of products： Test Speed： Number of tests： Equipment size： Description: he silencing testing system is designed by our company based on standards such as ISO3745-2003, IEC60312, GB6882, ISO7779, GB/T4214.1, GB/T4214.4, GB/T3767 for silencing chambers. The acoustic indicators in the design include background noise, cutoff frequency, available space, vibration reduction, etc. The design of the testing room takes into account the convenience of instrument wiring, monitoring conditions, indoor environment, etc. while meeting the acoustic indicators