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

Sony XM-754SX

1 × 112 watts, channel 1 at 4 Ohm
2 × 102 watts, channel 1 + 2 at 4 Ohm
4 × 84 watts, channel 1 up to 4 at 4 Ohm
Current consumption 41,3A
efficiency 60,1%

1 × 296 watts, channel 1 + 2 bridged at 4 Ohm
2 × 202 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 65,2A
efficiency 45,8%

404 watts total power