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

Steg AQ105.4x

1 × 144 watts, channel 1 at 4 Ohm
2 × 139 watts, channel 1 + 2 at 4 Ohm
4 × 131 watts, channel 1 up to 4 at 4 Ohm
Current consumption 59,7A
efficiency 65,1%

1 × 479 watts, channel 1 + 2 bridged at 4 Ohm
2 × 441 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 116A
efficiency 56,7%

882 watts total power