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

Helix HXA 40

1 × 71 Watts channel 1 at 4 Ohm
2 × 66 Watts channel 1 + 2 at 4 Ohm
4 × 53 Watts channel 1 up to 4 at 4 Ohm

1 × 196 Watts channel 1 + 2 bridged at 4 Ohm
2 × 149 Watts channel 1 + 2 and 3 + 4 bridged at 4 Ohm

298 watts total power