... professional audio, High quality and good price!Loudspeaker, power amplifier, line array system and are our main professional audio products ... Our product ranges include also Karaoke system, switching power amplifier, digital power amplifier, mixing console, microphone, flight cases, audio cable, ... use. T1 system is composed by 2pcs PS10 10” two-way full range with one A18B 18” active LF bass. ...