Professional Sound System>> SPT-B1 : 290 Speaker Array Tower. (290轻型-线阵吊架)
SPT-B1 Contain : 7m Pillar, Hinges, Base 3 way angle, Base Truss 3m x 2 pc, Wire Winch.
每套线阵吊架包含: 底座三通, 活头, 立柱共七米, 底平衡架三米2支, 后平衡-钢索绞盘一套.
