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

JL Audio 500/1

1 × 702 watts, channel 1 at 4 Ohm
Current consumption 77,6A
efficiency 67%

1 × 685 watts, channel 1 at 2 Ohm with 13,4V supply voltage
Current consumption 76,5A
efficiency 66,8%

685 watts total power

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