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

Audio System Twister F2-190

1 × 98 watts, channel 1 at 4 Ohm
2 × 91 watts, channel 1 + 2 at 4 Ohm
Current consumption 19,3A
efficiency 70%

1 × 299 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 35,2A
efficiency 63%

1 × 409 watts, channel 1 + 2 bridged at 2 Ohm with 13,4V supply voltage
Current consumption 56,4A
efficiency 53,7%

409 watts total power