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

Ground Zero GZUA 2250DX

1 × 245 watts, channel 1 at 4 Ohm
2 × 221 watts, channel 1 + 2 at 4 Ohm with 13,7V supply voltage
Current consumption 38,5A
efficiency 83,6%

1 × 625 watts, channel 1 + 2 bridged at 4 Ohm with 13,6V supply voltage
Current consumption 63A
efficiency 73%

625 watts total power