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

Kicker KX-850.2

1 × 274 watts, channel 1 at 4 Ohm
2 × 256 watts, channel 1 + 2 at 4 Ohm
Current consumption 55,6A
efficiency 68,2%

1 × 841 watts, channel 1 + 2 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 98,1A
efficiency 64%

841 watts total power