Q-SYS CX-Q 2K4 Four-Channel Network AmplifierQ SYS CX Q Series network amplifiers combine a legacy of robust power amplifiers, advancements in high efficiency output devices and native network transport, control and monitoring capabilities. CX Q 2K4 features four channels, capable of delivering customized power output loading and a total maximum power of up to 2000 W. Low Z, 70 V or 100 V direct drive are available on all channels.