... .1 Mic. / Line Input.2 Strereo Line / Player inputs.Power output, mains voltage supply : 40W X 2, 4 OHM load, 0. ... X 2, 8 OHM load, 0.05% THD , 20Hz -20KHz.Power output, Battery / Back up 12VDC used (Via Binding Posts):30WRMS total ... remote 10KA potentiometer.Pin1 of DB-9 controls Mic1, Pin2-M/L2, Pin3-L1, PIN4-Player & Pin 5 Master.Pins 6 ...