Acoustic Vaj Huam Sib Luag Ua kom muaj kev nplij siab thiab qhov zoo tshaj plaws suab ib puag ncig

Lub suab-absorbing vaj huam sib luag tuaj yeem txo cov suab nrov ib puag ncig thiab txhim kho lub suab nrov, ua rau cov kev paub hauv acoustic nyob rau hauv qhov chaw zoo dua thiab tsim kom muaj lub siab zoo -acoustic ib puag ncig yam tsis muaj suab nrov thiab muaj suab nrov zoo rau cov neeg siv.