LD210Passive linear array can be used outdoor all-weather，And can be used for liquidity or fixed installation。Use a very wide range，Such as：Tour，The concert，The bar，The opera house，Playground, etc。

Power sequence can be individually in accordance with the order of the system by the former to the later launch all kinds of equipment，To turn it off when they are closed system by the first order。To the unity of the effective control of all electrical equipment，To avoid the human error operating，Completely solve the terminal equipment may be due to damage caused by such failure，At the same time can reduce the open again/The impact of the transmission line current electrical equipment。