Rockford Fosgate R500X1D with Power Wiring Kit and RCAs 500W RMS Prime Series Class D Monoblock Amplifier + 4 Gauge Full Spec CCA Amplifier Wiring Kit for Systems up to 650 Watts RMS: 300W x 1 @ 4 ohms, 500W x 1 @ 2 ohms Total RMS Power: 500W CEA-2006 Compliant Remote PLC (Punch Level Control) Included Efficient Class-D circuit topology