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

JL Audio 1000/1v2

1 × 1444 watts, channel 1 at 4 Ohm with 13,1V supply voltage
Current consumption 164A
efficiency 67,2%

1 × 1458 watts, channel 1 at 2 Ohm with 13,1V supply voltage
Current consumption 170A
efficiency 65,5%

1458 watts total power

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