provided by WarlordXXL from the Hififorum

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

Helix Esprit E40

1 × 108 watts, channel 1 at 4 Ohm
2 × 108 watts, channel 1 + 2 at 4 Ohm
4 × 96 watts, channel 1 up to 4 at 4 Ohm
Current consumption 47,1A
efficiency 60,4%

1 × 339 watts, channel 1 + 2 bridged at 4 Ohm
2 × 256 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 74,9A
efficiency 50,6%

512 watts total power