Pioneer GM-5300T 2-Channel 760-Watt Maximum Power Amplifier Peak Music Power - 760-Watts 4 Ohm 125 Watts x 2 Output Power 4 Ohm Bridged 380 Watts x 1 Output Power 2 Ohm 190 Watts x 2 Output Power 1 Watt into 4 Ohms 75 dBA Signal to Noise