Basit bhai peechy wala phata peti k size ka lagaya krain jis mein kal ko bnda amp woofer lagwana chahy toh araam se phata nikal kr peti laga ly.aur doosri baat diggi wala cover jo cylinder k uper aata hai isy achi trha se lagaya krain.kuch time baad latak jata hai.tanky khul jaty hain.baaqi MASHA'ALLAH aap ka kaam mujhy bht pasand aaya hai.