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Manual sound box

ST-SG4040 acoustic chamber/soundproof box

Soundproof Volume Outer environment noise pressure level:80dB(A)inside noise :30-35dB(A) 


acoustic chamber sound box


szcitech can specially provide a steady testing environment with noise floor low as 30dBA for performance testing of acoustic products, such as speaker, receiver and mic. Sound isolation can reach more than 40dB(300Hz~20kHz), Also, we can customize sound-isolated box with special size and fixture, and provide integrated testing system solutions.


The main function and scope of application    

Providing a sound insulation testing environment for products

Internal testing can be observed through the camera


 Operation Mode

Manual operation

Inner dimension


Outer dimension



2mm metal   plate  

Surface Color


Soundproof solution

outside 80db,  background noise  30-35db


 BNC*2,  DC*2,(According to the   customer request 

校准的技术依据及CNAS认可范围(Reference documents and CNAS accredited scopes)

JJF 1147-2006消声室和半消声室声学特性校准规范:Noise:(-2.5~120)dB;Sound Pressure Level:(-2.5~ 120)dB[31.5Hz~20kHz;d:(0.5~5)m]。