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

Bull Audio AMP 2.500

1 × 166 watts, channel 1 at 4 Ohm
2 × 146 watts, channel 1 + 2 at 4 Ohm
Current consumption 32,8A
efficiency 66,1%

1 × 449 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 57A
efficiency 58,4%

449 watts total power