provided by Denyo-evo from the Hififorum

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

Steg QM105.4x

1 × 148 watts, channel 1 at 4 Ohm
2 × 143 watts, channel 1 + 2 at 4 Ohm
4 × 135 watts, channel 1 up to 4 at 4 Ohm
Current consumption 61,5A
efficiency 64,8%

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 118A
efficiency 55,8%

882 watts total power

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

Steg QM105.4x

1 × 142 watts, channel 1 at 4 Ohm
2 × 140 watts, channel 1 + 2 at 4 Ohm
4 × 132 watts, channel 1 up to 4 at 4 Ohm with 13,4V supply voltage
Current consumption 62A
efficiency 63,7%

1 × 497 watts, channel 1 + 2 bridged at 4 Ohm
2 × 454 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,3V supply voltage
Current consumption 123A
efficiency 55,5%

908 watts total power