provided by Sew aus dem Klangfuzzi-Forum

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

Rockford Fosgate Punch 150

1 × 121 watts, channel 1 at 4 Ohm
2 × 116 watts, channel 1 + 2 at 4 Ohm
Current consumption 25,2A
efficiency 68%

1 × 365 watts, channel 1 + 2 bridged at 4 Ohm
Current consumption 45,4A
efficiency 59,5%