provided by MuMpeL from the Hififorum

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

BOA MVU-9090

1 × 172 watts, channel 1 at 4 Ohm
2 × 164 watts, channel 1 + 2 at 4 Ohm
Current consumption 36,5A
efficiency 66,5%

1 × 543 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 66,2A
efficiency 60,8%

543 watts total power