Loa Full-Range �m Tr?n 2 Way Passive, M�u Tr?ng. Loa Das Ph� H?p Cho C�c ?ng D?ng V? Th�ng B�o, Ph�t Nh?c N?n Ch?t L??ng Cao, ???c Trang B? Th�m T�nh N?ng Transformer Line Multi-Tap