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

Audio System Radion 180.2

1 × 189 watts, channel 1 at 4 Ohm
2 × 172 watts, channel 1 + 2 at 4 Ohm
Current consumption 38,7A
efficiency 65,7%

1 × 524 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 68,7A
efficiency 56,5%

524 watts total power