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

Kenwood KAC-8404

1 × 82 watts, channel 1 at 4 Ohm
2 × 77 watts, channel 1 + 2 at 4 Ohm
4 × 65 watts, channel 1 up to 4 at 4 Ohm
Current consumption 34,1A
efficiency 56,3%

1 × 222 watts, channel 1 + 2 bridged at 4 Ohm
2 × 166 watts, channel 1 + 2 and 3 + 4 bridged at 4 Ohm
Current consumption 54,4A
efficiency 45,3%

332 watts total power