em co doi loa klipsch KG 4.5 hgep voi am ly denon 780d ko biet sao tieng mic no vong vang vang vongvong ,em thao thu thung loa da coi thi thay 2 ben hong co lot mut nhung hinh nhu ko phai mut zin vay gio em lay da hay de nhu cu hay la lot o vi tri nao khac a mong cac bac giup hinh em no day a . www.klipsch.com/products/details/kg-4-5.aspx