provided by MuMpeL from the Hififorum

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

Dragster DB 205

1 × 64 watts, channel 1 at 4 Ohm
2 × 59 watts, channel 1 + 2 at 4 Ohm
Current consumption 12,6A
efficiency 69,7%

1 × 193 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 22,3A
efficiency 64,2%

193 watts total power