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

Steg AQ45.4x

1 × 56 watts, channel 1 at 4 Ohm
2 × 55 watts, channel 1 + 2 at 4 Ohm
4 × 53 watts, channel 1 up to 4 at 4 Ohm
Current consumption 23,7A
efficiency 65,7%

1 × 196 watts, channel 1 + 2 bridged at 4 Ohm
2 × 177 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 46,4A
efficiency 56,9%

354 watts total power