Fusion CA-AM41200 Car Audio 4-Channel 3000 Watts Max Amplifier 110 Watt x 4 Channel @ 4 Ohm, 150 Watt x 4 Channel @ 2 Ohm, 300 Watt x 2 Channel @ 4 Ohm Bridged 3000 Watt MAX Frequency Response (-3dB): 10Hz - 100kHz Dimensions: 4570mm x 230mm x 49mm