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

Ground Zero GZRA 4200 XII

1 × 68 watts, channel 1 at 4 Ohm
2 × 66 watts, channel 1 + 2 at 4 Ohm
4 × 60 watts, channel 1 up to 4 at 4 Ohm with 13,7V supply voltage
Current consumption 26,6A
efficiency 65,9%

1 × 182 watts, channel 1 + 2 bridged at 4 Ohm
2 × 164 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,7V supply voltage
Current consumption 44A
efficiency 54,4%

328 watts total power