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

Crunch MXB-4150i

1 × 86 watts, channel 1 at 4 Ohm
2 × 83 watts, channel 1 + 2 at 4 Ohm
4 × 77 watts, channel 1 up to 4 at 4 Ohm with 13,6V supply voltage
Current consumption 38,5A
efficiency 58,5%

1 × 272 watts, channel 1 + 2 bridged at 4 Ohm
2 × 210 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,5V supply voltage
Current consumption 64,2A
efficiency 48,5%

420 watts total power