Sound Storm Laboratories EDGE Series DG12400 2,400-Watt Class D Monoblock Power Amplifier with Remote Subwoofer Level Control One OHM stable Class D monoblock Strapping capability allows user to strap two amps together for twice the power stable at 2 Ohms Remote Subwoofer level control MOSFET PWM (Pulse With Modulated) power supply Soft turn-on circuit