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

Sony XM-754HX

 

High-Voltage
1 × 99 watts, channel 1 at 4 Ohm
2 × 99 watts, channel 1 + 2 at 4 Ohm
4 × 90 watts, channel 1 up to 4 at 4 Ohm
Current consumption 43,1A
efficiency 62%

1 × 339 watts, channel 1 + 2 bridged at 4 Ohm
2 × 240 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 70A
efficiency 51,2%

 
 

High-Current
1 × 56 watts, channel 1 at 4 Ohm
2 × 53 watts, channel 1 + 2 at 4 Ohm
4 × 49 watts, channel 1 up to 4 at 4 Ohm
Current consumption 21,3A
efficiency 68,2%

1 × 177 watts, channel 1 + 2 bridged at 4 Ohm
2 × 151 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 37,4A
efficiency 59,9%

2 × 200 watts, channel 1 + 2 and 3 + 4 bridged at 2 Ohm with 13,4V supply voltage
Current consumption 60,1A
efficiency 49,7%

480 watts total power