Operating Voltage:	10 V ... 15,6 V DC (center pole is plus)
Operating current:	400 mA at maximum volume
Noise-Reduction:	20 dB max
Audio-Input voltage 1:	100 mV eff (fix)
Audio-Input voltage 2:	30 mV ... 2500 mV eff. (adjustable)
Input-Impedance @ 1 KHz:	>30 KOhm
Audio-output-power:	approx. 1,5 Watt @ 4 Ohm
Output Impedance:	4 Ohm min.
Frequency response V12:	150 Hz ... 12.000 Hz
Controls:  (2)	Lingua Filtering Level , Volume