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

Ground Zero GZIA 2075HPX

1 × 48 watts, channel 1 at 4 Ohm
2 × 44 watts, channel 1 + 2 at 4 Ohm
Current consumption 11A
efficiency 59,6%

1 × 119 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 18,1A
efficiency 48,6%

119 watts total power