Public Address System PA Conference System 70w PA-60 MODEPA-60NOML POWER70wOUTPUT MODE70, 100v constant voltage outputINPUTMIC1,2,3: 600Ω , 2.0-4.0MV: AUX1,2: 15KΩ, 775mv,unbalanced FREQ. RESP80Hz-16KHz(±3dB)TUNED WAVE DISTORTION<0.2% at MIC1, 2,3: 66dB. AUX1,2: 70dBS/N RATIOMIC1,2,3: 66dB, AUX1,2: 70dBTONE..