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

Audio System Twister F2-280

1 × 156 watts, channel 1 at 4 Ohm
2 × 145 watts, channel 1 + 2 at 4 Ohm
Current consumption 30,6
efficiency 70,3%

1 × 480 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 54,5A
efficiency 65,2%

480 watts total power