Rockford Fosgate Prime 1000 Watt Mono Class D amplifer with on-board adjustable crossover, gain control. Amplifier features unregulated power supply, and and remote Punch bass level control. CEA Certified RMS Power Rating 500 watts x1 @ 4 Ohms, 1000 watts x1 @ 2 Ohms. Visit //www.RockfordFosgate.com 24 hours a day for technical support or call (800)669-9899 M-F 7 am to 5 pm MST. ..