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

Lightning Audio S4.600.2

1 × 172 watts, channel 1 at 4 Ohm
2 × 165 watts, channel 1 + 2 at 4 Ohm
Current consumption 35,1A
efficiency 69,7%

1 × 576 watts, channel 1 + 2 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 66,6A
efficiency 64,5%

1 × 907 watts, channel 1 + 2 bridged at 2 Ohm with 13,3V supply voltage
Current consumption 118A
efficiency 57,8%

907 watts total power