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

Harman Kardon CA1500M

1 × 380 watts, channel 1 at 4 Ohm
Current consumption 33,1A
efficiency 85,1%

1 × 648 watts, channel 1 at 2 Ohm
Current consumption 59,4A
efficiency 80,8%

1 × 849 watts, channel 1 at 1,33 Ohm with 13,4V supply voltage
Current consumption 83A
efficiency 76,3%

1 × 961 watts, channel 1 at 1 Ohm with 13,4V supply voltage
Current consumption 98A
efficiency 73,2%

961 watts total power

measured up to the clipping limit at 100 Hz because of fixed preset low-pass filter