provided by TimTaler from the Hififorum

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

Rockford Fosgate Punch 50m

1 × 109 watts, channel 1 at 4 Ohm
Current consumption 11,6A
efficiency 69,7%

1 × 198 watts, channel 1 at 2 Ohm
Current consumption 20,8A
efficiency 70,5%

1 × 266 watts, channel 1 at 1,33 Ohm
Current consumption 28,7A
efficiency 68,6%

1 × 324 watts, channel 1 at 1 Ohm
Current consumption 36,2A
efficiency 66,3%