provided by Schooli from the Hififorum

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

SoundLab MA6000

1 × 186 watts, channel 1 at 4 Ohm
2 × 164 watts, channel 1 + 2 at 4 Ohm
Current consumption 38,9A
efficiency 62,4%

1 × 484 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 66,2A
efficiency 54,2%

1 × 551 watts, channel 1 + 2 bridged at 2 Ohm with 13,2V supply voltage
Current consumption 98,4A
efficiency 42,4%

551 watts total power