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

Ground Zero GZHA 4150X

1 × 79 watts, channel 1 at 4 Ohm
2 × 75 watts, channel 1 + 2 at 4 Ohm
4 × 70 watts, channel 1 up to 4 at 4 Ohm
Current consumption 32,2A
efficiency 64,2%

1 × 219 watts, channel 1 + 2 bridged at 4 Ohm
2 × 193 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 56A
efficiency 51,1%

386 watts total power

provided by AHS from the Hififorum

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

Ground Zero GZHA 4150X

1 × 90 watts, channel 1 at 4 Ohm
2 × 86 watts, channel 1 + 2 at 4 Ohm
4 × 77 watts, channel 1 up to 4 at 4 Ohm
Current consumption 35,5A
efficiency 64,6%

1 × 289 watts, channel 1 + 2 bridged at 4 Ohm
2 × 250 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 62,8A
efficiency 58,9%

500 watts total power