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

Audio System X165.2

1 × 156 Watts channel 1 at 4 Ohm 
2 × 142 Watts channel 1 + 2 at 4 Ohm 
Current consumption 31,7A
efficiency 66,2%

1 × 454 Watts channel 1 + 2 bridged at 4 Ohm
Current consumption 55,5A 
efficiency 60,6%

1 × 606 Watts channel 1 + 2 bridged at 2 Ohm bei 13,4V supply voltage
Current consumption 90A 
efficiency 50,2%

606 Watts total power