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

Ground Zero GZRA 4200X

1 × 66 watts, channel 1 at 4 Ohm
2 × 63 watts, channel 1 + 2 at 4 Ohm
4 × 59 watts, channel 1 up to 4 at 4 Ohm
Current consumption 27,8A
efficiency 62,4%

1 × 188 watts, channel 1 + 2 bridged at 4 Ohm
2 × 164 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 46,4A
efficiency 52,3%

328 watts total power