provided by TimTaler from the Hififorum

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

Altai B005Q

1 × 199 watts, channel 1 at 4 Ohm
2 × 195 watts, channel 1 + 2 at 4 Ohm
Current consumption 44A
efficiency 65,5%

1 × 543 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 72,3A
efficiency 55,6%

1 × 592 watts, channel 1 + 2 bridged at 2 Ohm
Current consumption 103,9A
efficiency 42,2%

592 watts total power