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

Macrom 42.07

1 × 90 watts, channel 1 at 4 Ohm
2 × 81 watts, channel 1 + 2 at 4 Ohm
Current consumption 19,9A
efficiency 60,3%

1 × 231 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 34,4A
efficiency 49,8%

231 watts total power