Rockford Fosgate Punch P300-1 300-Watt Mono Amplifer Mono amplifier with 300W x 1 @ 2-Ohms RMS power rating (150W x 1 @ 4-Ohms RMS) Perfect for use as a dedicated subwoofer or center channel amplifier 4 Gauge power/ground terminals MOSFET output stage and power supply One year manufacturers Warranty