FA Series covers the height of 2U to 3U and power 250W to 1200W. FA Series hanker for higher speed, bigger damping factor,more rich functions and advanced protection system. FA Series is designed with excellent cooling system, compact and stable mechanical aseismatec capabilities, adopting advanced H Type amplificatory circuit, as well as precise components. It makes more efficiency. FA Series adapts to drive line array speaker system, professional power-handling capabilities and exceptional low-end response make this apmlifier and ideal choice for installations and touring applications that demand the finest audio quality. FA Series can be used in live concert,disco,night clubs,etc.