Power Source: 14.4Volts DC Negative Ground Input Current: 0.5 Amp Max. Distortion: 0.01 % THD at 1.V Output Level Frequency Response: 10Hz-30KHz ± 3dB S/N Ratio (A Weighted) > 95kB Separation: 60dB Crossover Frequencies (Continuously Variable)  Front High-Pass: (X1): 32-800Hz (X10): 320-8KHz Rear High-Pass: 32-800Hz Subwoofer: 50-160Hz Crossover Slope Rate: 12dB per Octave 2nd Order Butter Worth Subwoofer: Boost: Single Octave 0dB to 12dB (Variable) at 40 to 120Hz Variable Input Impedance: >20K Ohms Output Impedance: < 1 K Ohm Output Gain: ± 3dB Output Voltage Level: 5 Volts Maximum