Crunch PowerZone P1500.1 1500 Maxx Watt Power A/B Class Mono Amplifier (Black) 1 x 375 W at 4 Ohms, 1 x 750 W at 2 Ohms, 1 x 1500 W at 1 Ohm Maxx Power Remote Bass Control Included; Silver Preamp Level RCA Inputs, Daisy-Chain Line Outputs and Oversized Speaker Terminals Subsonic Filter, Low-Pass Versa Cross X-Over Adjustment, Phase, Bass EQ, Input Level Control Rugged MOSFET Pulse Width Modulation Power Supply for Instant Maxx Power Output Amp Protection with System Diagnostics LEDs Protect Against Current / Amperage Overload, Short Circuits, Thermal Overload, DC Offset