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

Mac Audio ZX1000 Black Edition

1 × 342 watts, channel 1 at 4 Ohm with 13,8V supply voltage
Current consumption 38,5A
efficiency 64,4%

1 × 481 watts, channel 1 at 2 Ohm with 13,7V supply voltage
Current consumption 64,8A
efficiency 54,1%

481 watts total power