Technical specifications Maximum output power Output impedance Frequency S/N(A) Maximum Current Consumption Sensitivity(Distortion level 1%) Voltage 1000W 2.6Ω 30~150Hz 90dB (12A)RCA input 80mV Speaker input 0.8V 14.4V (10v~16V) Suggestion of subwoofer placement Wiring Diagram 1(High level input) Increase the function that when hi input, the woofer power will automatically turn on/off.