Rockford Fosgate P1000X2 Punch 2-Channel Amplifier 300 Watts RMS x 2 @ 4-Ohms / 500 Watts RMS x 2 @ 2-Ohms / 1000 Watts RMS x 1 Bridged @ 4-Ohms (4-Ohm stable in bridged mode) Works with factory installed & aftermarket source units. Operating Voltage 9 - 16 VDC Crossover Controls: 50-250 Hz, 12 dB/octave On-board Punch EQ with +18dB boost at 45Hz Cast Aluminum Heatsink with Stealth top mounted control panel