provided by MuMpeL from the Hififorum

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

Axton C508

1 × 76 watts, channel 1 at 4 Ohm
2 × 69 watts, channel 1 + 2 at 4 Ohm
4 × 67 watts, channel 1 up to 4 at 4 Ohm
Current consumption 32,5A
efficiency 61,3%

1 × 202 watts, channel 1 + 2 bridged at 4 Ohm
2 × 196 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 54,5A
efficiency 53,3%

392 watts total power