CN30R Input Current: 0.55 Amp Max. Output Voltage Level: 8.75 Volts Max. Power Supply: 10-16 Volts DC Neg. Gnd Distortion: 0.01% THD @ 1 KHz Signal to Noise Ratio > 96dB Crossover Slope Rate: 18dB per pctave 2nd order butter worth Crossover Frequencies: Front High Pass: 25Hz to 400Hz Rear High Pass: 25Hz to 400KHz .