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

Macrom MBA.450

1 × 64 watts, channel 1 at 4 Ohm
2 × 62 watts, channel 1 + 2 at 4 Ohm
4 × 55 watts, channel 1 up to 4 at 4 Ohm
Current consumption 26,9A
efficiency 60,3%

1 × 196 watts, channel 1 + 2 bridged at 4 Ohm
2 × 164 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 46,5A
efficiency 52,2%

328 watts total power