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

ESX Vision V550.2

1 × 178 watts, channel 1 at 4 Ohm
2 × 156 watts, channel 1 + 2 at 4 Ohm

1 × 475 watts, channel 1 + 2 bridged at 4 Ohm

1 × 558 watts, channel 1 + 2 bridged at 2 Ohm

558 watts total power