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

EXCURSION HXA 4K

1 × 625 Watts channel 1 at 4 Ohm 
Current consumption 55,1A
efficiency 84%

1 × 1105 Watts channel 1 at 2 Ohm with 13,4V supply voltage
Current consumption 102A
efficiency 80,8%

1 × 1456 Watts channel 1 at 1,33 Ohm with 13,4V supply voltage
Current consumption 142A
efficiency 76,5%

1 × 1681 Watts channel 1 at 1 Ohm with 13,3V supply voltage
Current consumption 173A
efficiency 73,1%

1681 Watts total power
measured up to the clipping limit at 100 Hz because of fixed preset low-pass filter