... sizze,2U,best performanc 4*1800W de dj pro switching amplifier(PS-4180) 1.Small order is ok,prompt delivery1 ... ×565×145mmNet Weight15.5kgGross weight17.5kg About UsGuangzhou CVR Pro Audio Factory is specialized in researc hing, developing and ... manufacturing high quality pro audio equipment.Boasting talented professional employees and leading technology, ...