1. Ntev thiab dav: Qhov ntev ntawm lub suab absorbing panels feem ntau yog li ntawm 600 hli mus rau 2400 hli, thaum lub dav ntawm 600 hli mus rau 1200 hli. Cov qhov ntev no tuaj yeem txiav thiab kho raws li qhov xav tau tiag tiag.
2. Thickness: Lub thickness ntawm lub suab absorbing panels feem ntau txawv ntawm 9 hli mus rau 50 hli, nrog txawv thicknesses haum rau txawv suab haum yuav tsum tau thiab installation ib puag ncig.
3. Cov duab: Ntxiv rau cov qauv duab plaub lossis cov duab plaub, cov suab nrov nrov tuaj yeem hloov kho mus rau puag ncig, oval, lossis lwm yam tsis xwm yeem raws li cov qauv tsim.