The P1000X5D 1,000 Watt full-range 5-channel is the one-and-only amplifier you will need to run your entire system. Run dash speakers off the front channels, run back speakers off the rear channels and run subwoofer(s) off the 5th channel! Known world-wide for brute power, this Class-D design offers a higher level of efficiency along with a tri-stage protection that covers thermal, over-current and short circuits.