... tremble output safer Special system line connection. The power amplifier and speaker is connected by speciall four-core line ModelPA1202PA1502Rated ... Ω load,10dB below rated power,60Hz+7KHz<0.05%Signal to Noise Ratio20Hz~20KHz,8Ω load,A-weighted>102dBInput CMRR ... air flowLED Indicators Front panelPower-ON,Mode,Clip/Limit,Signal,ProtectionLED Indicators Rear panelNoInput Connectors3-pin XLR,male and ...