... WS-990 Professional DJ standAdjustable19"Equipment Rack For mixer, CD, amplifiers19" Standard rack spaceTop:12U Upright:9UHeight:90cmPackaging ... space for heavier items such as amplifies, or perhaps cd recorders, rack mounted pcs etc.Being so versatile, ... video and consumer electronics.The factory mainly produces the stands, speakers, cables with some consumer electronics.The advantage ...