... , special and automatical protection circuit system for high frequency, reinforcing the system protection under high volume status4.1 ... etc. entertainment venues7.Applications: audio engineering, mobile performance speaker system, foldback, meeting rooms, multifunction rooms, bars, KTV, ... Amplifier300-500W (into 8ohms)DispersionH 90°x V 60°Nominal Impedance8ohmsDrivers312mm(12")LF driver;38mm(1.5") ...