Rockford Fosgate Power 550X

1 × 101 watts, channel 1 at 4 Ohm

2 × 96 watts, channel 1 + 2 at 4 Ohm

4 × 86 watts, channel 1 up to 4 at 4 Ohm

Current consumption 38A

efficiency 67,4%

1 × 303 watts, channel 1 + 2 bridged at 4 Ohm

2 × 256 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm

Current consumption 65,3A

efficiency 58,1%

512 watts total power

https://youtu.be/ATkcVYImlLA