provided by TimTaler from the Hififorum

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

MTX Black Gold BGA 2125

1 × 166 watts, channel 1 at 4 Ohm
2 × 166 watts, channel 1 + 2 at 4 Ohm
Current consumption 41,5A
efficiency 59,4%

1 × 590 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 87,2A
efficiency 50,2%

590 watts total power