... current inrush, sub/ultrasonic inputOperating Voltage, 230 V / 115 V nominal: 130-265 V / 65-135 V selectableVoltage Gain (dB): 23, 26, 29 ... inrush, sub/ultrasonic inputOperating Voltage, 230 V / 115 V nominal: 130-265 V / 65-135 V selectableVoltage Gain (dB): 23, 26, 29 ... inrush, sub/ultrasonic inputOperating Voltage, 230 V / 115 V nominal: 130-265 V / 65-135 V selectableVoltage Gain (dB): 23, 26, 29 ...