Rated power measured according to DIN 45500 up to 1% distortion factor in 13,5V

Pioneer GM-X702

1 × 97 watts, channel 1 at 4 Ohm
2 × 97 watts, channel 1 + 2 at 4 Ohm
Current consumption 25,7A
efficiency 56,4%

1 × 331 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 54A
efficiency 46,1%

331 watts total power