provided by Carbonat from the Hififorum

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

Helix A4

1 × 98 Watts channel 1 at 4 Ohm
2 × 98 Watts channel 1 + 2 at 4 Ohm
4 × 95 Watts channel 1 up to 4 at 4 Ohm

1 × 361 Watts channel 1 + 2 bridged at 4 Ohm
2 × 299 Watts channel 1 + 2 and 3 + 4 bridged at 4 Ohm

598 watts total power

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

Helix A4

1 × 92 watts, channel 1 at 4 Ohm
2 × 92 watts, channel 1 + 2 at 4 Ohm
4 × 92 watts, channel 1 up to 4 at 4 Ohm
Current consumption 41,2A
efficiency 66,3%

1 × 361 watts, channel 1 + 2 bridged at 4 Ohm
2 × 317 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm with 13,4V supply voltage
Current consumption 78A
efficiency 60,6%

634 watts total power