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

Ground Zero GZTA1.2000MK2

1 × 650 watts, channel 1 at 4 Ohm
Current consumption 59A
efficiency 81,6%

1 × 1152 watts, channel 1 at 2 Ohm with 13,4V supply voltage
Current consumption 108A
efficiency 79,6%

1 × 1456 watts, channel 1 at 1,33 Ohm with 13,4V supply voltage
Current consumption 141A
efficiency 77%

1 × 1722 watts, channel 1 at 1 Ohm with 13,3V supply voltage
Current consumption 173A
efficiency 74,9%

1722 watts total power

measured up to the clipping limit at 100 Hz because of fixed preset low-pass filter