... peak, short circuit, high temp and overload. Indications for power, signal, peak and protection. Features:4 separate ... peak, shor circuit , high temp and overload.Indications for power, signal, peak, and protectionExcellent device of radiator cooling ... 115V and 230V voltage selectorSpecifications:ModelT-4D120T-4D240Rated Power Output4x120W4x240WSpeaker Output70V,100V&4~16Input775mV/0 dBFrequency ...