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

Rockford Fosgate Punch 60×2

1 × 90 watts, channel 1 at 4 Ohm
2 × 85 watts, channel 1 + 2 at 4 Ohm
Current consumption 17,5A
efficiency 71,7%

1 × 253 watts, channel 1 + 2 bridged at 4 Ohm with 13,3V supply voltage
Current consumption 30,3A
efficiency 61,8%

253 watts total power